Ultima Thule may be a frankenworld
Monday, March 18, 2019 - 16:40
in Earth & Climate
The first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity.
The first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity.