Astronomy Quiz

What are the three main types of galaxies in the universe?

• Spiral, Elliptical, Irregular

• Open cluster, Globular cluster, Nebula

• Red dwarf, White giant, Black hole

• Milky Way, Andromeda, Whirlpool

What does a light year measure?

• The distance light travels in one year

• The brightness of stars

• The age of the universe

• The size of a star

What is a light year?

• The time it takes for light to travel in one year

• The distance light travels in one year

• The speed of light per second

• The time it takes for light from the Sun to reach Earth

How fast does light travel?

• 186,000 miles per minute

• 671 million miles per day

• 186,000 miles per second

• 671 million miles per hour

Tags

NGSS.HS-PS4-1

How long does it take for light from the Sun to travel to the Earth?

• 8.4 seconds

• 8.4 hours

• 8.4 days

• 8.4 minutes

Tags

NGSS.HS-PS4-1

What is the closest star to the Sun?

• Sirius

• Alpha Sigma

• Proxima Centauri

• Betelgeuse

How long does it take for the Sun's light to reach Pluto?

• 8.4 minutes

• 5.5 hours

• 4.24 light years

• 1 hour

How far away is Proxima Centauri from the Sun?

• 4.24 light years

• 5.5 light years

• 8.4 light years

• 3.24 light years

If it takes 8.4 minutes for the Sun's light to reach Earth, how does Pluto's distance to the Sun compare to Earth's distance to the Sun?

• Pluto is closer to the Sun than Earth.

• Pluto is the same distance from the Sun as Earth.

• Pluto is farther from the Sun than Earth.

• The distance cannot be determined.

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Alpha Centauri is the nearest star to our Sun. How many light-years away is it from us if 1 light-year equals 10,000,000,000 km?

• 4.2 light-years

• 42 light-years

• 420 light-years

• 0.42 light-years