Galaxies and the Universe quiz

The force that holds stars and Galaxies together is __________.

• magnitism

• gravity

• nuclear attraction

• dark energy

Tags

NGSS.HS-PS2-4

90% of the universe's mass is made of _______________.

• galaxies

• nebula

• dark matter

• stars

Which is not a type of galaxy?

• eclipsing

• spiral

• irregular

• elliptical

_____________ exist in groups called clusters

• stars

• nebula

• black holes

• galaxies

Regions of empty space between the superclusters cause the universe to have a structure like a __________.

• string

• scaffold

• net

• sponge

The Milky Way has almost ______ billion stars

• 50

• 100

• 200

• 400

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Scientists think the universe began with a big bang and is ______________.

• is still expanding

• is slowing down

• is shrinking

• has stopped expanding

Tags

NGSS.HS-ESS1-2

Scientists can measure the speed at which galaxies move away from Earth by observing _____________________.

• dark matter

• wavelengths of light

• gravitational lensing

• universal constants

Tags

NGSS.HS-ESS1-2

Light waves that are moving away from the observer have a ______________ as they spread out.

• blue shift

• red shift

• down shift

• fade

Tags

NGSS.HS-ESS1-2

Scientists think that a force called ____________ that could be pushing galaxies apart

• einsteinium

• stellar energy

• nebular energy

• dark energy