Stars and Galaxies

What is the name of Earth's star?

• Antares

• Betelguese

• Polaris

• the Sun

Tags

NGSS.HS-ESS1-1

The unit used to measure distances between objects like stars or galaxies is

• kilometers

• miles

• light years

• astronomical units

What color of star is the hottest?

• blue

• red

• yellow

• orange

Tags

NGSS.HS-ESS1-3

What is a large cloud of dust and gas where new stars are formed or stars explode?

• quasar

• black hold

• supernova

• nebula

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which is the hottest?

• a red giant

• small, white dwarf

• main-sequence yellow star

• main-sequence blue star

Tags

NGSS.HS-ESS1-3

Galaxies are composed of (best answer)

• stars

• stars and gas

• stars, dust, and gas

• stars, dust, and gas held together by gravity

Tags

NGSS.MS-ESS1-2

The Milky Way Galaxy is a

• spiral

• lenticular

• elliptical

• irregular

Light years are a measure of

• time

• speed

• distance

• light

Tags

NGSS.HS-PS4-3

What color are the coolest stars?

• blue-white

• yellow

• orange

• red

The brightness of a star as seen from Earth is

• apparent brightness

• absolute brightness

• parallax

• reflective brightness