When we see a meteor shower, it means that A) the solar wind ...

[frankwu]

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

[amandalm]

Answer to Question 1

D

Answer to Question 2

FALSE

[frankwu]

TYSM

[peter]

Excellent