Author Question: The Great Wall is a huge sheet of galaxies that stretches for over 100 Mpc. Indicate whether the ... (Read 49 times)

krzymel · **on:** Jul 27, 2018

The Great Wall is a huge sheet of galaxies that stretches for over 100 Mpc.

Indicate whether the statement is true or false

Question 2

When we see a meteor shower, it means that ________.

A) an Earth-approaching asteroid has recently come very close to our planet
B) you should duck and run for cover to avoid being blasted on the head by a rock from space
C) the solar wind is unusually strong
D) Earth is crossing the orbit of a comet