Stars
Universe history
ESRT
100

Which star do we rotate under?

Polaris 

100

What is a galaxy? 

A large island of stars held together by gravity.

100

What planet has the longest period of revolution?

Neptune 

200

What is the real name of a "Star Nursery"?

Nebula 

200

What is the name of our galaxy?

The Milky Way

200

What is the eccentricity formula?

Distance between foci/length of major axis 

300

Why do larger stars run out of energy faster than smaller stars? 

Larger star go through more energy.

300

How many years ago did the Big Bang Theory happen? 

14,000 billion years ago.

300

Which main sequence star has the least amount of luminosity?

Proxima Centauri 

400
How are stars proof of Earth's rotation?

Stars appear to rise and set just like our sun.

400

How do we know the universe is expanding?

The longer the wavelength the more they shift red 

400

In ESRT 15, which star is most similar to the Sun?

Alpha Centauri 

500

What sequence happens after a planetary nebula? 

White dwarf

500

Three pieces of evidence for the Big Bang

Red shift, Cosmic background radiation, and constant temperature. 

500

what star is a giant and has a surface temperature of about 3,500?  

Aldebaran