Stars
The coolest stars.
What are red stars?
Open and globular.
What are the two types of star clusters?
A type of galaxy that looks like a pinwheel.
What is spiral galaxy?
A star system containing two stars.
What are binary stars?
A dimmer star passes in front of a brighter star.
What is an eclipsing binary?
The hottest stars.
What is blue?
Gas.
What are stars made of?
186,000 miles per second.
What is the spoeed of light?
The most common elements (2) in which stars are composed of.
What are hydrogen and helium?
The distance light travels in one year.
What is a light year?
Color, temperature, size, composition, or brightness.
What is one way stars are categorized by?
Our galaxy is this type.
What is a spiral galaxy?
The two types of spiral galaxies.
What are normal and barred?
A giant cloud of gas and dust where all stars are born.
What is a nebula?
The stage after a Red Super Giant.
What is a supernova?
Young Stars.
What open clusters made of?
This is the type of galaxy with no regular shape.
What is an irregular galaxy?
A white dwarf can turn into this.
What is a black dwarf or a stellar nebula?
Older stars.
What are globular clusters made of?
The Milky Way.
What is the name of our galaxy?
This galaxy may be football-shaped, egg-shaped, or round.
What is an elliptical galaxy?