Author Question: What is the ecliptic plane? A) the plane of the Sun's equator B) the plane of the Milky Way ... (Read 113 times)

brutforce · **on:** Jul 27, 2018

What is the ecliptic plane?

A) the plane of the Sun's equator B) the plane of the Milky Way Galaxy
C) the plane of Earth's equator D) the plane of Earth's orbit around the Sun

Question 2

The cosmic microwave background gives us a view of the universe when it was

A) 380,000 years old. B) 14 billion years old.
C) about 1 million years old. D) 3-5 minutes old.