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Mohit Ranjan from KENDRIYA VIDYALAYA NO.2, asked a question
Subject: Science , asked on 19/12/14

Why Venus is the hottest planet instead of Mercury?

Shambhavi Pandey From Sunbeam English School, added an answer, on 24/7/12
10 helpful votes in Science

bcoz of presence of co2 gas on venus whch is a green house gas....

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Abhilash Durgam From Sanghamitra School, added an answer, on 6/9/12
6 helpful votes in Science

Venus has the densest  atmosphere  of all the terrestrial planets in the  Solar System , consisting of mostly  carbon dioxide so the green house effect is maxium  there therefore it is the hottest planet. 

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Abhilash Durgam From Sanghamitra School, added an answer, on 30/9/13
6 helpful votes in Science

Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO2) trap the heat and prevent it from escaping to space (The Greenhouse effect).This causes it to heat up to very high temperatures, higher than that of Mercury.Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn 't stay hot.For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600ï½C.

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Surya Kant From Delhi Public School, added an answer, on 2/8/12
8 helpful votes in Science

 Venus has clouds of gases which trap the heat of the sun.

hope this helps!!!

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Vinesh Katewa From Shekhawati Public School, added an answer, on 4/8/12
4 helpful votes in Science

Venus is the hottest planet because there are many active volcanoes on th surface of this planet and there are many clouds of acids which trap the heat of the sun and brought acid rains on the planet. please thumbs up this answer.

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Dheeraj Dileep From Delhi Public School, added an answer, on 1/8/12
26 helpful votes in Science

because it ahs more co2 

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Arpit Gupta From Vivekanand School, added an answer, on 24/7/12
29 helpful votes in Science

because venus is full of CO 2 which  traps the heat from the sun and does not let go back easily while on the other side mercury does not trap heat in compared to venus..

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Coldorange Sharma From St. Anne's Convent School, added an answer, on 24/7/12
22 helpful votes in Science

Venus has a thick atmosphere of pale, yellow clouds of carbon dioxide and sulfuric acid. The clouds and the gases in them (mostly the CO 2 ) trap the heat and prevent it from escaping to space (The Greenhouse effect).
This causes it to heat up to very high temperatures, higher than that of Mercury. 


Mercury on the other hand has no atmosphere to trap heat. So a lot of the incident radiation is reflected away and it doesn't stay hot.
For instance, if you step from the sunlit side to the dark side of Mercury, the temperature drops by about 600°C. 


Read more: 

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Uday Vamsi From Padma Seshadri Bala Bhavan Senior Secondary School, added an answer, on 17/11/15
14 helpful votes in Science
IT PRODUCES ITS OWN HEAT AND ITS ATMOSPHERE TRAPS IT.
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Riya From Veda Vyasa D A V Public School, added an answer, on 19/12/14
idk
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Aru Bhola From Delhi Public School Jammu, added an answer, on 30/12/14
11 helpful votes in Science
Venus though is farther from sun than mercury has atmosphere consisting of the Carbon Dioxide gas which we all know is ahe he greenhouse gas and greenhouse gases mainly trap the heat
Now coming to your question : the planet Venus has an atmosphere rich in the CO2Gas i.e. 96%
now this CO2 traps the heat and keeps it preserved
this causes the planet to heat up quickly and retain the heat even in the night time which mercury cant because of absence of atmosphere rich in greenhouse gases.
these all properties help Venus to be the hottest planet in our solar system inspite of being second in position and from all of these presence of CO2 plays the major role in keeping Venus hot
thumbs up if it helped even teeny bit too!!!!
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