By Rayvin G.

All stars that are seen without a telescope are in the milky-way galaxy.

The closest star besides the sun is Proxima Centauri, 4.3 light years away. 

Betelgeuse is a giant red star, and is 200 light years away. 

Rigel is a supergiant and is 540 light years away.

Betelgeuse and Rigel are bright stars in the Orion constellation. 

The brightest star in the night sky is Sirius, the Dog Star.

Sirius has a companion star which was the first white dwarf star discovered. 

A variable star is a star that's brightness pulsates.  

The sun is the cebter og the solar system.

The sun's diameter is 1,392,700 km (865,00 miles).

The sun is over 150,000,000 km (93,000,000 miles) away from earth.

The surface temperature of the sun is almost 5500 degrees Celsius (10,000 degrees Fahrenheit)