Stars, Galaxies, and Hr Diagrams

All of the following characteristics can be used to classify stars except-

• temperature

• color

• brightness

• distance

Luminosity refers to a star's-

• distance

• color

• temperature

• brightness

What color is Pollux?

• blue

• red

• yellow

• red-orange

Which star is brighter than Sirius?

• Canopus

• Sirius B

• Sun

• Procyon B

Which star is brighter than Sirius?

• Canopus

• Rigel

• Pollux

• Tau Ceti

Which star is considered a Supergiant?

• Rigel

• Sun

• Sirius B

• Alpha Centauri B

Tags

NGSS.HS-ESS1-3

A star's life would follow which order?

• white dwarf, main sequence, giant

• main sequence, white dwarf, giant

• main sequence, giant, white dwarf

• giant, main sequence, white dwarf

Which characteristics best describe white dwarfs as compared to giants?

• White dwarfs are cooler & dimmer than giants.

• White dwarfs are cooler & brighter than giants.

• White dwarfs are warmer & dimmer than giants.

• White dwarfs are warmer & brighter than giants.

The HR diagram is useful in studying all of these facts about a star except its-

• brightness

• location in the sky

• temperature

By looking at the color of a star, astronomers can tell the-

• distance to the star

• location of the star

• temperature of the star

• shape of the star

Tags

NGSS.HS-PS4-3