Universe

Distance measurement used by astronomers for distant objects.

• Kilometers

• Light Years

• Miles

• Light Seconds

How many stars are in a galaxy.

• millions or billions

• thousands

• hundreds

• Ten

Tags

NGSS.MS-ESS1-2

What are in galaxies?

• ice and rock

• dust, gas, and stars

• stars and ice

• water and dust

At which stage does a star swell up many times larger than its normal size?

• Protostar

• Nebula

• Main Sequence

• Red Giant

Less massive stars turn into ___ when they die

• White Dwarfs

• Black Hole

• Neutron Star

• Either a black hole or a neutron star

More massive stars turn into ___ when they die

• White Dwarf

• Black Hole

• Neutron Star

• Either a black hole or a neutron star

Which stage in a stars life is similar to "old age" in humans

• Nebula

• Main Sequence

• Red Giant

• White Dwarf

Tags

NGSS.HS-ESS1-1

Which star below would most likely supernova into a black hole

• Star like our sun

• Star 5 times more massive than our sun

• Star 5 times less massive than our sun

• Star 2 time more massive than our sun

At 10,000 degrees Celsius, hydrogen begins to change into helium and energy is released in a process called

• supernova

• pulsar

• nuclear fusion

• nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

All stars begin their life in a

• Main Sequence

• Nebula

• Protostar

• Black Dwarf

Tags

NGSS.HS-ESS1-3