Author Question: The first Jovian moons were discovered by A) Galileo B) Tycho C) Huygens D) ... (Read 47 times)

s.tung · **on:** Jul 27, 2018

The first Jovian moons were discovered by

A) Galileo
B) Tycho
C) Huygens
D) Cassini

Question 2

The main chemical building blocks of life, carbon, nitrogen, oxygen, and iron were formed

A) inside interstellar gas clouds during star formation
B) in the center of the Earth and then ejected onto the surface via volcanism
C) in the nuclear burning cores of stars and then ejected into space when they died
D) in the Big Bang that created the universe