stars
what are the 3 closet stars to earth?
the sun
alpha centauri
barnards star
what is the distance in our galaxy?
100,000 light years
how old is the sun?
4.6 billion years
what is the process called when hydrogen turns into helium in our sun
fusion
how many stars are in our galaxy?
over 200 billion stars
what age is the sun (birth, middle aged, old age)
middle age
what is it called when the brightest of a star as if all stars were seen from the same distance?
absolute magnitude
how long does it take our sun to orbit the center of our galaxy?
over 200 million years
true or false: the sun is the closest star to earth
true
what is the birth place of stars?
eagle nebula
what is it called when the sun orbits the center of the galaxy?
galactic year
how many astronomical units is the sun from the earth?
1
what is the largest star
uy scuti
what is the star that is located in the middle of our galaxy
UY Scuti
how was the sun born?
formed from a giant rotating cloud of gas and dust called a solar nebula, as the nebula collapsed due to gravity, it spun faster and flattened into a disk