Quiz questions Flashcards
(6 cards)
For which of these gases (carbon dioxide, water vapor, helium, hydrogen) would have the longest lifetime for a terrestrial planet orbiting a solar type star?
carbon dioxide
For which of these main sequence stars (M2, G2, A3, K5) would the habitable zone be the largest?
A3
For which of these stars (M3, K9, G2, B5) will the habitable zone lie closest to the star?
M3
Without our own greenhouse effect, our Earth would
have its oceans frozen, like the surface of Mars
The albedo of the lunar mare is about 6%, while the surrounding highlands is closer to 10%. This means that:
the mare appear darker to us than do the highlands
In the greenhouse effect, A) visible light is absorbed by dark surface material, which in turn is heated up, B) ozone blocks the Earth from UV radiation, which reduces the amount of energy that enters our atmosphere in the first place, C) an atmosphere is needed with gases that trap the heat radiated by the surface
A and C