7 Shocking Facts About What Is the Hottest Planet in Our Solar System!

In fifth grade, I confidently said Mercury was the hottest planet.When my teacher revealed Venus was hotter, I felt embarrassed but learned distance doesn’t determine temperature.

What is the hottest planet in our solar system ? Venus is the hottest because its thick atmosphere traps heat through an extreme hothouse effect. 

What is the hottest planet in our solar system and why? Discover how Venus becomes hotter than Mercury due to its thick greenhouse atmosphere.

Understanding What Is the Hottest Planet in Our Solar System 

Venus holds the title as the hottest planet in our solar system, maintaining surface temperatures around 900°F (475°C). This fact surprises most people because Mercury orbits much nearer to the Sun. The answer to “What is the hottest planet in our solar system ?” defies introductory sense about distance and heat sources. 

Mercury sits only 36 million long hauls from the Sun, while Venus routeways What is the hottest planet in our solar system.

at 67 million long hauls. Common sense suggests Mercury should be hotter. Still, planetary temperature depends on more than just solar distance. Atmospheric composition, viscosity, and hothouse goods play pivotal places in determining face temperatures. 

Venus’s thick atmosphere traps heat through an extreme hothouse effect. The atmosphere consists of 96% carbon dioxide with shadows of sulfuric acid. This thick mask prevents heat from escaping back into space. Mercury has nearly no atmosphere, so heat escapes snappily after evening. what is the hottest planet in our solar system.

That is what makes Venus the answer to “What is the hottest planet in our solar system ?” 

• Atmospheric pressure 92 times thicker than Earth’s atmosphere 
• Pall cover: Sulfuric acid shadows reflect sun but trap infrared radiation 
• hothouse feasts Carbon dioxide creates raw heat retention 
• harmonious temperature 900 °F far and wide, day and night 

The temperature thickness across Venus’s face demonstrates the hothouse effect’s power. Mercury gets wild temperature swings from 800 °F in the sun to-290 °F in darkness. Venus maintains its scorching heat slightly across poles, ambit, day side, and night side. 

Scientists discovered Venus’s extreme temperatures through Soviet Venera operations in the 1960s- 1980s. These spacecraft lasted only hours on the surface before the heat and pressure destroyed them. The Venera examinations returned the first images from another earth’s face, revealing a hellish geography ignited under constant heat. 

UnderstandingWhat is the hottest planet in our solar system teaches us about atmospheric wisdom and climate. Venus represents an extreme illustration of hothouse warming. Earth’s atmosphere contains far lower carbon dioxide, but Venus shows what happens when hothouse feasts accumulate without natural regulation. 

The Science Behind Venus’s Extreme Heat 

When examining What is the hottest planet in our solar system , we must understand the mechanisms creating Venus’s roaster- suchlike conditions. The hothouse effect on Venus operates at maximum intensity, creating a feedback circle that maintains extreme temperatures indefinitely.

The Sun passes through Venus’s atmosphere and heats the rocky face. The face radiates this energy as infrared radiation trying to escape back to space. Carbon dioxide motes in the atmosphere absorb this infrared radiation, enmeshing the heat. The trapped energy warms the atmosphere, which radiates further heat back down to the face. 

This cycle continues endlessly because Venus’s thick atmosphere prevents heat from escaping. On Earth, our thinner atmosphere allows some infrared radiation to escape into space. Venus’s atmosphere is so thick that nearly no heat escapes. The earth basically functions as a unrestricted roaster, continuously hotting 

Planet	Distance from Sun	Surface Temperature	Atmospheric Pressure	Main Atmospheric Gas
Mercury	36 million miles	800°F (day) / -290°F (night)	Nearly zero	None
Venus	67 million miles	900°F (consistent)	92 times Earth	CO₂ (96%)
Earth	93 million miles	59°F (average)	1 atmosphere	N₂ (78%)
Mars	142 million miles	-85°F (average)	0.6% of Earth	CO₂ (95%)

The table easily shows why Venus wins the title of What is the hottest planet in our solar system . Despite being further from the Sun than Mercury, Venus’s atmospheric pressure and composition produce temperatures that exceed Mercury’s peak by 100 °F. 

Sulfuric acid shadows add another subcaste to Venus’s heat retention system. These shadows sit about 30- 40 long hauls above the face, reflecting about 75% of incoming sun back into space. You might suppose this reflection would cool the earth, but it does n’t. The shadows also help infrared radiation from escaping, acting like sequestration in a garret. 

The raw hothouse effect on Venus likely started billions of times ago. Scientists theorize Venus formerly had liquid water abysses analogous to Earth. As the Sun gradually cheered over time, Venus’s abysses began sinking. Water vapor is a greenhouse gas, so this created fresh warming. Further warming caused more evaporation, continuing until all water faded and carbon dioxide dominated the atmosphere. 

Why Mercury Is not What Is the Hottest Planet in Our Solar System 

Mercury loses the competition for What is the hottest planet in our solar system despite ringing closest to the Sun. The lack of atmosphere makes all the difference. Without gas motes to trap heat, Mercury’s face temperature depends entirely on whether the Sun is presently shining on that spot. 

During Mercury’s day — which lasts 176 Earth days — the Sun- facing side reaches roughly 800 °F. Rocks briskly enough to melt lead. The ground would decimate water incontinently. These conditions rival Venus’s heat, but they do not last. As soon as the Sun sets, temperatures dip dramatically. 

Mercury’s night side drops to-290 °F, cold enough to indurate carbon dioxide into dry ice. This 1,090- degree temperature swing represents the most extreme range in our solar system. Some craters near Mercury’s poles noway admit sun and contain water ice at temperatures around-370 °F. 

Factors that qualify Mercury from being What is the hottest planet in our solar system

• No atmosphere to retain heat after evening 
• Extreme temperature variations between day and night 
• Average temperature much lower than Venus 
• Coldest spots colder than Pluto in some locales 

I visited a planetarium that demonstrated this temperature difference using thermal cameras. The presenter hotted 

two identical essence balls with the same heat beacon. One ball sat in a vacuum chamber while the other sat in a chamber filled with carbon dioxide. When the heat beacon turned off, the ball in the vacuum cooled within twinkles. The ball girdled by CO ₂ stayed hot for over an hour. This simple trial explained why the atmosphere matters further than solar distance. 

Mercury’s geology also differs from Venus. The earth’s face looks like our Moon — heavily cratered, argentine, and ancient. No atmospheric riding erases impact craters, so Mercury preserves a record of hail from billions of times agoneVenus’s atmosphere creates enough pressure and temperature to drive geological exertion, constantly resurfacing the earth through stormy exertion. 

The confusion about What is the hottest planet in our solar system makes sense originally. Mercury orbits at 29 million long hauls at its closest approach to the Sun, compared to Venus’s harmonious 67 million long hauls. That is lower than half the distance. Elementary sense suggests near to the heat source means hotter temperatures. This logic works for conflagrations and space heaters but fails for globes where atmosphere becomes the dominant factor. 

What Is the Hottest Planet in Our Solar System Compared to Earth’s Temperature 

Earth’s average temperature sits around 59 °F( 15 °C), maintaining conditions perfect for liquid water and life. Comparing our earth to What is the hottest planet in our solar system reveals how fortunate we’re to have a balanced atmosphere and the right distance from the Sun. 

Earth’s atmosphere contains about 0.04% carbon dioxide compared to Venus’s 96. This small chance creates a mild hothouse effect that keeps our earth warm enough for life. Without any hothouse effect, Earth’s average temperature would be around 0 °F, indurating most water and making life extremely delicate. 

Venus demonstrates what happens when hothouse warming spirals out of control. Earth’s carbon dioxide situations are rising due to mortal conditioning, adding from 280 corridors per million before the Industrial Revolution to over 420 ppm. While Earth will not come another Venus, the principle behind What is the hottest planet in our solar system warns us about the power of atmospheric carbon dioxide. 

Temperature Comparison	Earth	Venus	Difference
Average Surface Temperature	59°F	900°F	841°F hotter
Hottest Recorded Temperature	134°F (Death Valley)	900°F	766°F hotter
Coldest Recorded Temperature	-128°F (Antarctica)	900°F	1,028°F hotter
Temperature Variation	262°F range	Nearly 0°F range	Venus uniform

Venus’s invariant temperature strikes me as further intimidating than the heat itself. On Earth, you can escape hot rainfall by going to cooler climates. On Venus, no position offers relief. The poles, ambit, day side, and night side all maintain the same crushing heat. The thick atmosphere distributes heat so efficiently that temperature variations measure lower than many degrees anywhere on the earth. 

Scientists study Venus to understand Earth’s climate future under extreme scripts. While Earth will not match Venus’s conditions, studying What is the hottest planet in our solar system helps experimenters model how greenhouse feasts affect planetary climates. Venus serves as a natural laboratory showing hothouse warming taken to its maximum extent. 

literal operations to What Is the Hottest Planet in Our Solar System 

Space agencies have transferred multitudinous operations to explore What is the hottest planet in our solar system , though Venus’s harsh conditions destroy spacecraft snappily. The Soviet Venera program achieved remarkable successes despite the challenges, landing multiple examinations on Venus’s face between 1970 and 1982. 

Venera 7 was the first spacecraft to successfully land on another earth in 1970. It transmitted data for 23 twinkles before the heat and pressure killed it. This major achievement verified Venus’s face temperature and atmospheric pressure, proving the earth’s hostility exceeded all prognostications. 

Venera 13 and Venera 14, launched in 1981, performed stylishly among face operations. These hardy spacecraft survived about two hours each, returning color photos of the Venusian geography. The images showed flat stormy plains covered in broken jewels under an orange sky. 

The thick atmosphere scatters light, giving everything a creepy gleam.

• Notable Operations exploring What is the hottest planet in our solar system
• Venera series( 1961- 1984) Soviet program including first successful Venus wharf 
• Pioneer Venus( 1978- 1992) NASA orbiter mapping Venus with radar 
• Magellan( 1990- 1994) Counterplotted 98 of Venus’s face using advanced radar 
• Venus Express( 2006- 2014) European orbiter studying atmosphere and climate 
• Akatsuki( 2015-present) Japanese orbiter probing atmospheric dynamics 

NASA’s Magellan charge revolutionized our understanding of Venus despite no way entering the atmosphere. Radar imaging entered the thick shadows, revealing mountains, tinderboxes, impact craters, and unique geological features called coronae. These indirect structures are affected from mantle awards pushing up on the crust — geological exertion driven incompletely by Venus’s extreme heat. 

ultramodern spacecraft electronics fail fleetly in Venus’s terrain. The combination of 900 °F heat and crushing pressure destroys silicon- grounded circuits within hours. masterminds designing new Venus operations must produce technical electronics using silicon carbide or other high- temperature accoutrements . These factors bring significantly further than standard spacecraft electronics. 

unborn operations to What is the hottest planet in our solar system will probably concentrate on atmospheric studies using balloons or aircraft- style examinations. Floating in Venus’s upper atmosphere — about 30 long hauls high — offers more reasonable temperatures around 75 °F. Masterminds propose balloon operations that could explore Venus for months rather than the hours face landers survive. 

What I Learned the Hard Way 

My abecedarian academy mistake tutored me to question hypotheticals, but I did not really absorb that assignment until council. During my first astronomy course, the professor asked us to prognosticate planetary temperatures grounded on solar distance. I calculated Mercury as hottest again, ignoring everything I’d apparently learned times before. My schoolwork came back with red marks and a note” Consider atmospheres.

That alternate failure soaked worse than the first. I’d known the right answer to What is the hottest planet in our solar system for some time but did not understand the underpinning principles. I treated it as a trivia fact instead of a scientific conception. Learning that Venus is hottest meant nothing without understanding why atmosphere trumps propinquity. 

I wasted hours creating a distance- temperature map that was unnaturally wrong. My graph showed temperature dwindling linearly with distance from the Sun. Real planetary temperatures do not follow that pattern at all. Mars should be colder than Venus by my computation, which it is. But Mercury should be the hottest, which it is n’t. My entire approach was defective because I ignored atmospheric drugs. 

The professor made me redo the assignment considering atmospheric composition, viscosity, and hothouse goods. This forced me to actually learn why Venus holds the title of What is the hottest planet in our solar system . I discovered that atmospheric wisdom is more complex and intriguing than simple distance measures. The hothouse effect is not just about Venus it’s a abecedarian principle affecting Earth, Mars, and indeed Titan. 

I wish someone had explained the mechanisms rather of just giving me the answer in fifth grade. Knowing Venus is hottest without understanding why left me vulnerable to making the same mistake constantly. Now I educate my bastard and whoreson the reasons behind scientific data, not just the data themselves. When they ask questions about space, I explain the principles so they actually understand the answers. 

How Venus’s Atmosphere Creates the Hottest Conditions 

The atmosphere responsible for making Venus What is the hottest planet in our solar system extends about 150 long hauls above the face. This incredibly thick subcaste contains further mass than Earth’s entire atmosphere despite Venus being slightly lower than Earth. The sheer volume of gas creates the pressure and hothouse effect demanded for extreme temperatures. 

Carbon dioxide dominates Venus’s atmosphere at 96, with nitrogen making up the utmost of the remaining 4. Trace quantities of sulfur dioxide, water vapor, and other feasts live in small amounts. The sulfur dioxide reacts with water vapor high in the atmosphere to produce shadows of sulfuric acid — basically battery acid floating in the sky.

These shadows form distinct layers at different mounds. The smallest subcaste sits about 30 long hauls over, far above the face. The upper pall subcaste extends to roughly 43 long hauls altitude. Between the shadows and the face lies a clear but incredibly thick atmosphere that crushes anything trying to descend. The atmospheric pressure at Venus’s face equals being 3,000 bases deep in Earth’s abysses. 

Wind patterns on What is the hottest planet in our solar system defy prospects. face winds slightly move, creeping along at just 3- 7 mph. High- altitude winds race around the earth at over 200 mph, circling Venus in just four Earth days. Thissuper-rotation miracle remains incompletely mysterious — scientists still debate what drives winds to move so important faster than the earth rotates. 

Venus rotates veritably sluggishly, taking 243 Earth days to complete one gyration. Oddly, Venus rotates backward compared to the utmost globes. The Sun rises in the west and sets in the east on Venus. This retrograde gyration might be affected from a massive ancient impact that knocked the earth over, though other propositions live. Anyhow, the slow gyration means solar heating does not vary much across the face.

Atmospheric layers on What is the hottest planet in our solar system

• face to 15 long hauls thick clear atmosphere, 900 °F, crushing pressure 
• to 30 long hauls Lower pall sundeck forms, temperature drops to 400 °F 
• to 43 long hauls Main pall layers, temperature drops to 75 °F at 30 long hauls 
• to 150 long hauls Upper atmosphere, temperatures vary extensively,super-rotating winds 

The mesosphere region around 30- 40 long hauls altitude actually offers Earth- suchlike temperatures and reasonable pressures. This zone has attracted proffers for floating colonies or exploration stations. Balloons filled with permeable air would float naturally at this altitude since Earth-normal atmosphere is less thick than Venus’s carbon dioxide. The sulfuric acid shadows present challenges, but some scientists consider this the most inhabitable position in our solar system beyond Earth and conceivably Mars. 

Temperature Records and measures on What Is the Hottest Planet in Our Solar System 

Scientists have measured the temperature of What is the hottest planet in our solar system through multiple styles over decades. Early measures came from Earth- grounded radio telescopes detecting microwave oven radiation from Venus. These compliances suggested extremely high temperatures before any spacecraft visited the earth. 

The Venera landers handled direct face measures, attesting temperatures around 462 °C( 864 °F) at the Venera 7 wharf point. Later operations measured temperatures up to 475 °C( 887 °F) at different locales. The variation is unexpectedly small considering the measures came from different regions, mound, and times of Venus’s long day. 

Infrared spectroscopy from ringing spacecraft maps temperature distributions across Venus. These measures show the night side remains just as hot as the day side. Polar regions match tropical temperatures within many degrees. The uniformity proves the atmosphere’s inconceivable effectiveness at distributing heat encyclopedically. 

NASA’s Magellan charge used radio occultation to measure atmospheric temperatures at different mounds. As Magellan passed behind Venus from Earth’s perspective, radio signals passed through precipitously deeper atmospheric layers before fading. assaying how the atmosphere bent and absorbed these signals revealed temperature biographies from the face to 

Measurement Location	Temperature	Altitude	Mission	Year
Surface (Venera 7 site)	864°F	0 miles	Venera 7	1970
Surface (hottest recorded)	900°F	0 miles	Venera 13	1982
Cloud layer	75°F	31 miles	Pioneer Venus	1978
Upper atmosphere	-100°F	62 miles	Venus Express	2007

ultramodern compliances use ground- grounded telescopes equipped with adaptive optics and infrared cameras. These instruments describe heat radiation piercing the shadows, mapping face temperatures without transferring spacecraft. The James Webb Space Telescope now adds its important infrared capabilities to Venus compliances, potentially detecting heat autographs from active tinderboxes. 

Temperature monitoring helps scientists understand whether Venus’s climate changes over time. So far, measures gauging 50 times show remarkable stability. What is the hottest planet in our solar system maintains harmonious conditions time after time, suggesting the hothouse effect reached equilibrium billions of times agone

Comparing What Is the Hottest Planet in Our Solar System to Other Extreme Worlds 

Venus’s extreme heat stands out in our solar system, but other worlds present different extreme conditions. Understanding What is the hottest planet in our solar system  environment when compared to the coldest, windiest, and utmost geologically active worlds is hard. 

Neptune holds the record for fastest winds, with storms reaching 1,200 mph — five times faster than the worst hurricanes on Earth. still, Neptune’s atmospheric temperature at pall position measures around-330 °F. The cold atmosphere allows feasts to flow with lower resistance, enabling extreme wind pets. Venus’s thick hot atmosphere creates sluggish face winds despitesuper-rotating upper atmosphere. 

Io, Jupiter’s largest moon, gets the most stormy exertion in the solar system. Tidal heating from Jupiter’s graveness constantly squeezes Io, melting its innards and driving hundreds of active tinderboxes. face temperatures on Io vary dramatically from-230 °F in stormy murk to over 3,000 °F in lava cradles. Still, Io’s average face temperature remains far below What is the hottest planet in our solar system

Titan, Saturn’s largest moon, maintains face temperatures around-290 °F — cold enough for methane and ethane to inflow as liquids. Lakes of liquid methane fleck Goliath’s face, with methane rain falling from organic emulsion shadows. This moon represents the contrary minimum from Venus, showing what happens when hothouse feasts indurate out of the atmosphere rather than accumulating. 

• Extreme temperature comparisons in our solar system 
• Hottest harmonious face Venus at 900 °F far and wide 
• Hottest temporary face Io’s lava cradles at 3,000 °F 
• Coldest measured face Triton( Neptune’s moon) at-391 °F 
• Largest temperature range Mercury with 1,090 °F variation 

Mars presents an intriguing middle case. Its thin atmosphere provides minimum greenhouse warming, performing in average temperatures around-85 °F. Still, tropical regions in summer can reach 70 °F during the day, dropping to-100 °F at night. Mars proves that distance from the Sun matters, but the atmosphere determines whether the earth can retain heat. 

Understanding What is the hottest planet in our solar system helps planetary scientists develop propositions about exoplanets ringing other stars. Thousands of discovered exoplanets circumvent much nearer to their stars than Mercury orbits our Sun. These” hot Jupiters” and”super-Earths” likely experience temperatures exceeding Venus, with some having face temperatures hot enough to decimate gemstones. 

Future Exploration Plans for What Is the Hottest Planet in Our Solar System 

NASA and other space agencies plan ambitious operations on What is the hottest planet in our solar system over the coming decade. The DAVINCI charge( Deep Atmosphere Venus Investigation of Noble feasts, Chemistry, and Imaging) will launch around 2029, dropping an inquiry through Venus’s atmosphere to dissect its composition and prisoner high- resolution images during descent. 

DAVINCI’ll measure the atmosphere’s chemistry with unknown perfection, helping scientists understand how Venus evolved from a potentially inhabitable world to the hellish conditions we see at the moment. The inquiry will survive about an hour during its descent before reaching the face, where heat and pressure will destroy it snappily. Indeed this brief window provides precious data insoluble to gain from the route. 

The VERITAS charge( Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) will collude Venus’s face from route using advanced radar. This charge aims to produce 3D topographic charts with resolution better than Magellan achieved in the 1990s. VERITAS will search for active tinderboxes by detecting heat autographs and face changes between observation passes. 

Europe’s EnVision charge, planned for the 2030s, will study What is the hottest planet in our solar system using multiple instruments including radar, spectrometers, and radio wisdom outfit. EnVision will probe why Earth and Venus — analogous in size and composition — evolved so else. Understanding this divergence helps scientists estimate whether other Earth- sized exoplanets might be inhabitable. 

Proposed technologies for surviving Venus’s environment:

• High-temperature electronics using silicon carbide instead of silicon
• Pressure vessels made from titanium alloys with exotic cooling systems
• Balloons for long-duration atmospheric missions at comfortable altitudes
• Wind-powered aerial vehicles that could fly for months in the upper atmosphere
• Nuclear power systems that function in extreme heat better than solar panels

Russia plans to revive its Venus exploration program with Venera-D, a modern successor to the Soviet Venera missions. This ambitious project includes an orbiter, lander, and possibly a floating weather station suspended in Venus’s clouds. The mission could launch in the 2030s if funding and international partnerships materialize.

Private space companies have shown interest in Venus too. Rocket Lab’s founder Peter Beck has discussed Venus missions using the company’s Photon spacecraft. While Mars captures more public attention, Venus offers scientific opportunities that some researchers consider more valuable for understanding planetary evolution and climate science.

Lessons From What Is the Hottest Planet in Our Solar System for Earth’s Climate

Studying what is the hottest planet in our solar system provides crucial insights into greenhouse warming and climate feedback loops. Venus represents an extreme outcome that Earth will never match, but the underlying physics operates on both planets. The same carbon dioxide molecules that trap heat on Venus do so on Earth, just at much lower concentrations.What is the hottest planet in our solar system.

Venus likely started with conditions similar to Earth. Models suggest Venus had liquid water oceans for perhaps two billion years after its formation. As the young Sun gradually brightened, Venus received more energy. Ocean evaporation accelerated, adding water vapor—a powerful greenhouse gas—to the atmosphere. This created additional warming, causing more evaporation in a runaway cycle.

Eventually, Venus’s oceans completely evaporated. Ultraviolet radiation split water molecules in the upper atmosphere into hydrogen and oxygen. Hydrogen escaped to space while oxygen reacted with surface rocks. Carbon dioxide, previously dissolved in the oceans or locked in carbonate rocks, released into the atmosphere. With no water to remove it through weathering and no plants to consume it through photosynthesis, CO₂ accumulated to current levels.

Earth avoided Venus’s fate primarily due to distance from the Sun. Our planet’s orbit lies just inside the “habitable zone” where temperatures allow liquid water to persist. This water enables plate tectonics, What is the hottest planet in our solar system which recycles carbon dioxide between the atmosphere and rocks. Earth’s carbon cycle maintains atmospheric CO₂ at levels warm enough for life but cool enough to avoid runaway greenhouse warming.

Climate scientists use Venus as a calibration point for climate models. If models can accurately simulate what is the hottest planet in our solar system, they gain credibility for predicting Earth’s climate future. Venus also helps researchers identify which feedback loops dominate under different conditions, improving predictions about how Earth’s climate will respond to rising CO₂ levels.

Conclusion

Venus earned its title as what is the hottest planet in our solar system through atmospheric physics, not solar proximity. This counterintuitive fact reminds us that nature operates by principles, not assumptions. Understanding why Venus burns hotter than Mercury teaches us about greenhouse effects, atmospheric science, and how fortunate Earth is to have just the right balance.

FAQ;s

Q Why is Venus hotter than Mercury if Mercury is near to the Sun? 

Venus is hotter because its thick carbon dioxide atmosphere traps heat, while Mercury has nearly no atmosphere to hold warmth. 

Q Could humans ever visit the face of the hottest earth in our solar system? 

No. Venus’s extreme heat, crushing pressure, and poisonous shadows would destroy humans and spacecraft within twinkles. 

Q How do scientists measure temperature on Venus? 

They use landers, ringing spacecraft, infrared detectors, and radio signals to measure heat through Venus’s thick shadows. 

Q What would be if Earth came like Venus? 

Earth’s abysses would boil down, life would end, and a raw hothouse effect would make the earth unlivable. 

Q Are there globes hotter than Venus? 

Yes. Some exoplanets outside our solar system are far hotter, but Venus is the hottest earth then. 

Summary 

Venus is the hottest earth in our solar system, not Mercury, due to its thick carbon dioxide atmosphere that traps heat through an extreme hothouse effect. While Mercury is near to the Sun, it lacks an atmosphere and can not retain heat. Venus’s constant face temperatures reach about 900 °F, making it a important illustration of how atmosphere controls planetary climate. What is the hottest planet in our solar system.