Author Question: Almost all the meteors you see in the sky are produced by meteoroids that weigh _____. A) less ... (Read 40 times)

nevelica · **on:** Jul 27, 2018

Almost all the meteors you see in the sky are produced by meteoroids that weigh _____.

A) less than 0.1 grams
B) less than 1 gram
C) more than 10 grams
D) more than 100 grams

Question 2

In its simplest form, the theory of Terrestrial protoplanet growth supposes that:

A) all the planetesimals in each orbital zone had about the same gravitational pull.
B) all the planetesimals in each orbital zone had about the same chemical composition.
C) all the planets formed in rotating disks of gas and dust around young stars.
D) all the planets of our Solar System formed as the Sun condensed from the interstellar medium.