Author Question: When we see a meteor shower, it means that A) the solar wind is unusually strong. B) an ... (Read 58 times)

frankwu · **on:** Jul 27, 2018

When we see a meteor shower, it means that

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

Question 2

Astronomers expect extrasolar planetary systems to have very different overall properties than those found in our solar system.

Indicate whether the statement is true or false