What is the brightness of a star as it appears from Earth?

What is the brightness of a star if it were a standard distance from Earth?

What is the apparent change in position of an object when you look at it from different places?

What is a refracting telescope?

What is a reflecting telescope?

When will stars form a black hole?

A supergiant moves to a supernova, then it forms what?

What galaxy is the sun apart of?

Two stars can create what?

Stars with less mass will

Compared to visible light waves what type of wavelengths do radio waves have?

According to scientists the big bang happened how long ago?

What states that the farther away a galaxy is the faster it is moving away from us?

When a high mass stars dies it goes to what?

When nuclear fusion stars what is born?

The size, brightness, and temperature are used to classify what?

The Hertzsprung-Russell diagram shows that main sequence stars

What's a major difference between elliptical and spiral galaxies?

Stars that are dimmer at regular intervals can be identified as what?

When a star moves very slightly back and forth what could be near it?

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