Properties of Stars

What color is Polaris?

• Yellow

• Red

• Blue white

• Blue

What is the temperature of Rigel?

• 10,500

• 10,000

• 8,000

• 20,000

Sirius is brighter than Alpha Centauri?

• True

• False

Which star does not belong to the group?

• Sirius

• Alpha Centauri

• Barnard's

• Procyon B

Procyon B is

• late stage

• early stage

• intermediate stage

• massive star stage

Tags

NGSS.HS-ESS1-3

According to the luminosity and temperature of stars, the sun is classified as a

• blue supergiant star with a temeprature of approximately 20,000 K and a luminosity of 700,000

• main sequence star with a temperature of approximately 5,500 K and a luminosity of 1

• main sequence star with a temperature of approximately 4,000K and a luminosity of 100

• white dwarf star with a temperature of approximately 10,000K and a luminosity of 0.01

Which star is cooler and many times brighter than Earth's Sun?

• Proxima Centauri

• Pollux

• Rigel

• 40 Eridani

Which two stars are most similar in luminosity?

• Betelgeuse and Barnard's star

• Procyon B and Proxima Centauri

• Alpha Centauri and Sirius

• Polaris and Sun

The star Algol is estimated to have approximately the same luminosity as the star Aldebaran at approximately the same temperature as the Rigel. Algol is best classified as a/an

• main sequence star

• Red giant star

• white dwarf star

• red dwarf star

Which list shows stars in order of increasing temperature?

• yellow, red, blue, white

• red, blue, white, yellow

• blue, white, red, yellow

• red, yellow, white, blue