Stars are made mostly of _____________ and _______________.

___________ indicates a cool star, __________ indicates a very hot star.

The sun is a relatively cool __________ star

Multiple stars or multiple star systems are made up of three or more stars bound by _____________.

__________ magnitude is the measure of a star’s brightness as seen from Earth.

Dim stars have _______ numbers on the magnitude.

Bright stars have _________ numbers on the magnitude scale.

Astronomers use this word which means "actual brightness of a star".

Absolute magnitude is a measure of how bright a star would be if the star were located at a _________ distance.

True or False: Stars with the same absolute magnitude may have different apparent magnitudes.

If an object’s colour depends only on temperature, the object is called a ___________.

Extremely large stars that have sizes of up to 1,000 solar radii are called _______________.

Stars that are very bright, large & burn at the highest temperature

The smallest and the most common stars giving off very little light.

The professional who studies the stars is...

The colour of a star tells us its

What unit of measurement is used to calculate distance in our universe?

RANDOM QUESTION: What animal is Garfield?