Astronomy 1 quizizz 6-1-10

Which of following is the smallest?

• the milky way galaxy

• the solar system

• the virgo super cluster

• the universe

Define Astronomy

• the study of stars

• the study of the sky and the atmosphere

• How star constellations affect our personalities

• the study of the universe beyond earth's atmosphere

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

How old do scientists think the Universe is?

• 13.8 billion years old
• 4.5 billion years old
• 24,000 years old
• 5 years old

The Milky Way galaxy is thought to be a(n)

• spiral galaxy

• barred spiral galaxy.

• elliptical galaxy.

• irregular galaxy.

What type of galaxy do we live in?

• Milky Way

• Red Giant

• Pluto

• Kit Kat

How many stars is the milky way made out of

• billions

• a few

• hundreds

• a couple

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What are stars?

• Rocky bodies
• Burning balls of gas
• 5 pointed shapes
• Hollywood actors

Most stars are made of which gases?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium