
phys.org
How did Mars get its moons? Japan's MMX space mission aims to solve the puzzle
The Earth got its moon when a small planet collided with our planet more than 4 billion years ago. This impact hurled molten rock into space, which eventually coalesced to form the satellite we can see every night from …
This site doesn’t allow embedding inside another page — open it in a new tab. Your Weird rating still works from the top bar.
Open source