On its sunny side, Mercury can reach a scorching 800 degrees Fahrenheit! (But Mercury is not the hottest planet in the solar system. The hottest planet is Venus.) On its dark side, Mercury gets very cold because it has almost no atmosphere to hold in heat and keep the surface warm.30-Mar-2011
Which is hotter Venus or Mercury?
The carbon dioxide traps most of the heat from the Sun. The cloud layers also act as a blanket. The result is a “runaway greenhouse effect” that has caused the planet's temperature to soar to 465°C, hot enough to melt lead. This means that Venus is even hotter than Mercury.
Why is Venus Hottest than Mercury?
Why is Venus the hottest planet in our solar system? Even though Mercury is the closest planet to the Sun, Venus is the hottest planet in our solar system. This is because Mercury has almost no atmosphere, while Venus has a very thick atmosphere. This causes all the heat to be radiated back into space on Mercury.
What planet is hotter than Venus?
Hottest and Coldest Planet in the Solar System
| Name of Planets (Hottest to Coldest) | Mean Temperature (Degree Celsius) |
|---|---|
| 1. Venus | 471°C |
| 2. Mercury | (430°C) during the day, (-180°C) at night |
| 3. Earth | 16°C |
| 4. Mars | -28°C |
•26-Oct-2021
Which planet is most hottest?
Venus Planetary surface temperatures tend to get colder the farther a planet is from the Sun. Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system's hottest planet.
Is Mercury the hottest planet?
Despite its proximity to the Sun, Mercury is not the hottest planet in our solar system – that title belongs to nearby Venus, thanks to its dense atmosphere. But Mercury is the fastest planet, zipping around the Sun every 88 Earth days.
Why is Mercury not the hottest?
Because it is so close to the sun, it can be very hot. On its sunny side, Mercury can reach a scorching 800 degrees Fahrenheit! (But Mercury is not the hottest planet in the solar system. … On its dark side, Mercury gets very cold because it has almost no atmosphere to hold in heat and keep the surface warm.
Is Mercury bigger than Venus?
Mercury is much smaller than Venus, Mercury is about twice as close to the Sun as Venus, Mercury is much less reflective than Venus, and. Mercury has no atmosphere, while Venus has a very thick atmosphere.
Why is Mercury Not hottest planet?
The carbon dioxide traps most of the heat from the Sun. The cloud layers also act as a blanket. … On the other hand, Mercury has almost no atmosphere to hold in heat and keep the surface warm, which is why Mercury being closest to the Sun is not the hottest planet in the Solar system.