Stars

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

A small, hot star resulting from an average mass star is called a ----- .

• white dwarf

• red dwarf

• supergiant

• protostar

The best description of a super giant star would be -

• hot and bright

• hot and dim

• average brightness and temp

• cool and bright

What color are the hottest stars?

• red
• yellow
• orange
• blue

What is the best description of a nebula?

• a cloud of gas and dust that produce light due to fusion

• a large group of stars held together by gravity

• a star and planets held together by gravity

• a cloud of gas and dust where stars are formed

Our sun is currently a ______________________ then will become a _________________________ and lastly a _______________________.

• main sequence, red giant, super giant

• main sequence, red dwarf, white dwarf

• main sequence, red giant, white dwarf

• main sequence, red giant, red dwarf

Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?

• Polaris

• Procyon B

• Betelgeuse

• Sirius

Which process combines lighter elements into heavier elements and produces energy within the Sun and other stars?

• fusion

• insolation

• conduction

• radioactive decay

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases.

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.