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How many more years does our sun have to live?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
If you observe a galaxy that is 4 million ly away, you are observing light that left that galaxy how long ago?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
What are quasars?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
What is an irregular galaxy?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
What stage is our sun in now?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
What will our sun form when it dies?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
What do astronomers think quasars are the beginnings of?
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
Describe the structures of a quasar.
Red giant
Quasi-stellar objects
No shape, little interstellar matter
Huge central black hole, large disk of gas and dust around it
5 billion
Midlife
Galaxies
4 million years
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