Midterm Review 1 F23

Which of the following is NOT TRUE?

• The Milky Way galaxy is 100,000 light years across

• The Universe is 13.7 billion years old

• The Moon is 1/80th the mass of the Earth

• Proxima Centauri is 4.2 light years from our Sun

• Jupiter is closer to the Sun than the Earth is

Name the planets in order from closest to the sun to furthest.

• Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Earth, Jupiter, Mars, Mercury, Neptune, Saturn, Uranus, Venus

• Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury

What is the unit of measure that is the average distance between the Earth and the Sun?

• miles

• kilometers

• astronomical unit

• light year

What is the unit of measure that is the distance that light can travel in a single year?

• miles

• kilometers

• astronomical unit

• light year

The nearest star to our solar system is called ______ and is 4.2 light years away.

• Proxima Centauri

• Sirius

• Arcturus

• Barnard's Star

How many planets are in our solar system?

• 6

• 7

• 8

• 9

The name of the event that created the universe and caused it to expand

• Dark Matter

• Steady-State

• Big Bang

• Doppler Effect

Any massive system of hundreds of millions of stars held together by gravity.

• solar system

• galaxy

• planet

• asteroid

The asteroid belt is between ___ and ___.

• Mars and Jupiter

• Jupiter and Saturn

• Earth and Mars

• Neptune and Pluto

The largest astronomical structure we know of that contains all matter, all radiation, and encompasses all space

• solar system

• galaxy

• universe

• cluster