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11 Cards in this Set
- Front
- Back
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What is the name of the boundary between the earth and the outer space? How far from the sea level is it ? |
The Karman line. It is 100 Km in altitude |
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Where does most of the mass atmosphere lie? What proportion of the weight is there? |
Troposphere, it has 80% of the atmosphere's mass. |
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Of what is the earth's atmosphere composed of and in what proportions? |
1: N2 (78%) 2: O2 (21%) 3: Arg (1%) |
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The earth's atmosphere is 100 km in altitude. what percent does this represent compared to the earth's radius? |
Earth's radius = 6371km 100km/6371km= 1.57% |
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Describe Mercury's atmosphere. |
Absent |
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What is the main composition of the gas Giants? ( name them) |
Jupiter, Saturn, Neptune and Uranus composed of H2 and He mostly. |
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What would probably happen to Jupiter if it became 100 times more massive than it is now? |
Hydrogen fusion would probably occur and a second sun would be born. |
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How could you feel what it would be like to be on Venus' atmosphere here on earth? |
Go 1km deep into water |
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What is the main gas composition of venus? It once was like earth, what happened? |
Mostly Carbon dioxide. Runaway greenhouse effect took place rendering it a hellish planet. |
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Mars used to be like earth, What happened to it? |
1: Planetary dynamo stopped: no more magnetic field 2: Weaker gravitational field: easier for molecules to escape. |
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What is titan,s profile? |
CH4 seas, very cold and a lot of nitrogen (94%) |
