Stars
Life Cycle of Stars
Galaxies
Universe
Other
100
The band of color produced white light passes through a prism
What is spectrum
100
The life cycle of a star
What is main-sequence, red giant, white dwarf
100
What is a galaxy
What is a collection of stars, dust, and gas
100
The study of the origin, structure, and future of the universe
What is cosmology
100
Which category in the H-R has the most stars
What is main-sequence
200
Define apparent magnitude
What is the brightness of a light or star as seen from Earth
200
Explain the H-R diagram
What is is a graph that shows the relationship between a stars surface temperature and absolute magnitude
200
In what type of galaxy is there no star formation
What is elliptical galaxies
200
What is the Big Bang theory
What is the theory that states that the universe began with a tremendous explosion
200
Why aren't blue stars in the main sequence for very long
What is they use up their hydrogen quickly
300
The actual brightness of a star as seen from 32.6 light years from earth
What is absolute magnitude
300
A ___________ is a rapidly spinning neutron star
What is a pulsar
300
A tight group of stars that looks like a ball
What is globular cluster
300
How do scientists calculate the age of the universe
What is measure the distance from the earth to other galaxies
300
What will happen when our sun runs out of gas
What is expand into a red giant and then shrink into a white dwarf
400
The distance that light travels in 1 year
What is light year
400
Define black hole
What is is an object so massive that not even not escape its gravity
400
A group of stars that are close together relative to surrounding stars
What is open cluster
400
What will happen to the universe
What is galaxies will move farther apart and stop forming stars
400
What type of galaxy is M87
What is elliptical
500
An apparent shift in the position of an object
What is parallax
500
What does HR diagram stand for
What is Hertzsprung-Russell
500
Define quasar
What are starlike sources of light that are extremely far away
500
How do we know that the Big Bang theory happened
What is cosmic background radiation
500
True or False IC1011 is the biggest galaxy
What is true
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