All Questions
4 questions
3
votes
1
answer
165
views
A planet after a moon-generating impact
Nascent terrestrial planets quickly have their surfaces cool down.
Formation of crust then yields formation of a figure.
What happens to the already formed crust and the figure after an energetic ...
- 1,552
0
votes
3
answers
848
views
What would happen to the Earth if the orbit of another planet in the Solar System was disrupted by a cataclysmic collision with a large body?
There's plenty of speculation about what would happen if a large asteroid collided with the Earth itself, but less about the effect on Earth of a large asteroid or even a moon or minor planet ...
- 27
4
votes
1
answer
171
views
Massive degraded impact crater on Mercury - chemical evidence?
The planet Mercury has a myriad of impact features - this has been known for some time. However, observe in the following images, a relatively large 'High-Mg region' detected on the planet (below):
...
user14785
13
votes
3
answers
549
views
Did the Late Heavy Bombardment Period Happen Because of a Stellar System Collision?
I was thinking about the impending collision between M31 and the milky way galaxy, and I've heard that since a galaxy is mostly space most of the contents of both galaxies would be just fine. Could a ...
- 2,033