Galaxy and Universe

What is located at the center of our galaxy?

• The sun

• A very large black hole

• A void of empty space

• The constellation Cancer

What is a large grouping of stars, dust, and gas bound together by gravity?

• Nebula
• Galaxy
• Cosmology
• Gravity

The Milky Way Galaxy is most likely 

• an irregular galaxy
• a spiral galaxy
• an elliptical galaxy
• a nebula

Tags

NGSS.MS-ESS1-2

Gravity holds galaxies together in clusters

• False

• True

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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

Tags

NGSS.HS-ESS1-2

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

Tags

NGSS.HS-ESS1-2

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

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe is collapsing in toward a single point

Tags

NGSS.HS-ESS1-2

The "afterglow" of the energy from the origin of the universe that we see today.

• Cosmic microwave radiation

• sunlight

• Doppler effect

• Cosmic explosions

Tags

NGSS.HS-ESS1-2

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum is noticed. This phenomena is

called _____________.

• redshift

• blueshift

Tags

NGSS.HS-ESS1-2