Author Question: A supernova that occurs 10,000 years from now in a galaxy 50,000 light years away: A) will be ... (Read 62 times)

MirandaLo · **on:** Jul 27, 2018

A supernova that occurs 10,000 years from now in a galaxy 50,000 light years away:

A) will be observed on Earth 10,000 years from now.
B) was observed on Earth 40,000 years ago.
C) will be observed on Earth 40,000 years from now.
D) was observed on Earth 50,000 years ago.
E) will be observed on Earth 50,0000 years from now.

Question 2

The scarps on Mercury are extremely similar to the cratered lunar highlands in appearance.

Indicate whether the statement is true or false