Why Did the Terrestrial Planets Lose the Majority of the Gas

question 2

Multiple Choice

Why did the terrestrial planets lose the majority of the gas in their primary atmospheres?

• A) They were too hot and their escape velocities too low to hold onto them.
• B) The solar wind was too strong and blew these gasses off the planets.
• C) Their high surface temperatures made the gas chemically react with the rock.
• D) The centrifugal force from the planets' fast rotation rates made them fly off.
• E) The initial gases were so heavy when the planet differentiated that they sank to the core.

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