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The main difference is that Venus has a dense atmosphere, while Mercury has none. The usually accepted theory is that something in Venus' atmosphere caused a runaway greenhouse effect.

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Q: Why are the temperatures on venus and Murcury so different?
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Why is Venus surface temperatures so high?

because its closer to the sun


Explain why the surface of Venus hotter than the surface of Murcury?

Mercury doesn't have a atmosphere, so one side is always cold and the other is extremely hot. Venus is hotter because it has an atmosphere, and it traps in the heat from the sun, also the gases on Venus acts like a greenhouse effect making it hotter.


Why does earth a liquid water supply an Venus does not?

Venus is closer to the sun, so it's hotter there. Water needs to stay below 100 deg C to remain a liquid, and Venus is hotter than that.


Is it impossible to land on Jupiter?

Yes it is impossible to land on Jupiter because Jupiter,Saturn,Uranus,and Neptune are all made up of gas....so there's no land....you can only step foot in Murcury,Venus,Earth,or Mars.


Why are Venus transits so rare?

Transits of Venus are so rare as Venus and the Earth orbit on different planes. This means that the chance that the two orbits are similar enough to create a Venus transit is very low.


Is there safe gravity range on venus?

The strength of gravity on the surface of Venus is about 91% of what it is on Earth, so the gravity there would be quite comfortable. Unfortunately the surface temperatures and pressures produced by the atmosphere of Venus would kill a human very quickly.


How do temperatures on the moon different from the earth?

Temperatures vary so much because the moon does not have an atmosphere.


How is Venus's different to other objects?

VENUS IS DIFFERENT FROM OTHER OBJECTS BECAUSE VENUS ROTATES IN THE OPPISITE DIRECTION WHILE ITS ORBITING THE SUN.VENUS IS ALSO DIFFERENT BECAUSE ITS CLOUDS ARE FULL OF SULPHURIC ACID AND VENUS IS SO HOT THAT IT CAN MELT LEAD. VENUS IS KNOWN AS EARTHS UGLY SISTER BECAUSE THEY BOTH STARTED OFF THE SAME BUT VENUS'S OCEANS EVAPORATED BECAUSE IT STARTED GETTING SO HOT .


Is Venus's temperature high or low?

Venus's temperature is so high that it is impossible to have life on it. Venus's normal temperature is around 430F degrees to 900F degrees. That's really hot , because having temperatures so high all the water evaporates, that why it can't support life.


Why does mercury's temp vary so much?

Mercury's temperatures varies so much because it doesn't have that much carbon dioxide as Venus in the solar system does


How do temperatures on the moon different from those on earth?

Temperatures vary so much because the moon does not have an atmosphere.


Is there mining on Venus If so where is Exxon Mobil?

No. We currently to not have the technology for interplanetary mining. All mining takes place on Earth. Venus is particularly inhospitable due to extremely high pressures and temperatures at the surface, so if we were to start mining offworld, we would probably go to Mars or to asteroids instead of Venus.