Unit 9: Galaxy and Milkyway

What is the closest star to the Sun?

• Sagitarius

• Luhman 16

• Proxima Centauri

• Sirius A

How long does it take the Sun’s light to reach earth?

• 8 seconds

• 8 minutes

• 8 hours

• 8 days

How fast does light travel?

• 186,000mi/s

• 671,000,000 mi/hr

• both a and b

• Unknown

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The theory that the universe began as a point and has been expanding since is called the _________________.

• Point theory

• Big l

• Big Bang Theory

• Big Boom Theory

Tags

NGSS.HS-ESS1-2

What is the name of the Space Telescope from number 8’s successor? 

• James Webb

• Hubble

• Explorer I

• Explorer II

What is the name of the space telescope that has given us so much information on the universe?

• James Webb

• Hubble

• Explorer I

• Explorer II

About how many stars exist in our galaxy?

• 200 million

• 200 billion

• 200 trillion

• One

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Which galaxy shape is pictured?

• Spiral

• Elliptical

• Irregular

• Barred Spiral

Tags

NGSS.MS-ESS1-2

What is the distance light travels in one year?

• 6 miles

• Light Continuum 

• Light Year

• Black hole

The study of the universe—its nature, origin, and evolution—is called what?

• Space study

• Astrology

• Cosmology

• Geology