What are patterns of stars in the sky called?
What stage comes after a supergiant?
What keeps star clusters/galaxies together?
What does the Hertzsprung-Russell Diagram graph?
The earliest stage in a star's life is called a
What is a star's life cycle determined by?
What is a huge group of solar systems, dust, and gas held together by gravity?
A low-mass or medium-mass star will become a ________ after the white dwarf stage
Astronomers think that in the future the universe will continue to
What does a light year measure?
A large cloud of gases and dust in a galaxy where new stars are born is called a
The explosion of a supergiant is called a(n)
An object with gravity so strong that no light can escape is a(n)
A(n) ___________ galaxy looks like a round or flattened ball.
Scientists believe the universe began with an explosion called the__________
Black Holes can only be made from red giants.
A star's apparent brightness is the star's brightness as seen from earth.
When a Super-Giant dies the next phase is a Supernova
The Milky Way is a Spiral Galaxy
The coolest stars are blue in color