All Questions
2
questions
1
vote
1
answer
98
views
What is the minimum possible size for an asteroid to be able to alter Earth's orbit? [closed]
Obviously, the question as posed in the title is very incomplete. Allow me to rephrase it in more specific terms:
What are the minimum possible "combined parameters" (velocity, mass, angle of ...
15
votes
1
answer
2k
views
Mars just collided with Earth! A question of eccentricity
One of the standard theories behind the formation of our Moon is the giant impact hypothesis, according to which Earth was struck by a Mars-sized body (about $10\%$ the mass of Earth) early in its ...
user10851