Stars

Front

Which of these stars is hottest? Red Star, Yellow Star, Orange Star, Blue Star

Back

Blue Star

Front

What is an exploding star?

Back

supernova

Front

According to Hubble's law, the farther away a galaxy is:

Back

the faster it is moving away from us

Front

What type of star is the Sun? Options: Red giant, White dwarf, Red supergiant, Main sequence

Back

Main sequence

Front

The HR diagram classifies stars based on their surface temperature and their: color, diameter, distance from Earth, absolute brightness

Back

absolute brightness

Front

When did the big bang occur?

Back

13.8 billion years ago

Front

What determines if a star becomes a white dwarf, neutron star, or a black hole? Options: Its age, Its mass, Its brightness, Its temperature

Back

Its mass

Front

The Milky Way is what type of galaxy? Options: Spiral, Elliptical, Irregular

Back

Spiral

Front

What is a light-year?

Back

distance light travels in one year

Front

Which of the following is part of the EM spectrum? X-rays, Radio Waves, Visible light, All of the above

Back

All of the above