Astronomy on level vocabulary review

Front

How bright a star looks from Earth is called

Back

apparent magnitude

Front

A young star that has not started nuclear fusion yet is...

Back

protostar

Front

When a small star swells up, cools off, and is dying

Back

red giant

Front

The most commonly accepted scientific theory for the creation of the universe is

Back

big bang

Front

The distance light travels in one year is...

Back

a light year

Front

The measure of a star's brightness at a standard distance is called

Back

absolute magnitude

Front

A star that has exhausted its nuclear fuel and collapsed is known as

Back

white dwarf

Front

The phenomenon where light from distant galaxies shifts to longer wavelengths is called

Back

red shift

Front

The stage of a star's life cycle where it is fusing hydrogen into helium is called

Back

main sequence

Front

The region of space having a gravitational field so intense that no matter or radiation can escape is called

Back

black hole