Stars
Life Cycle of Stars
Galaxies
100
apparent magnitude
What is the brightness of the star seen from Earth?
100
H-R Diagram
What is a graph that shows the relationship between a star's surface temperature and absolute magnitude?
100
galaxy
What is a collection of stars, dust, and gas bound together by gravity?
200
light year
What is the distance light travels in one year?
200
main sequence
What is the location on the H-R diagram where most stars lie?
200
Spiral galaxy
What is that looks similar to what our galaxy is thought to look like?
300
Absolute magnitude
What is the brightness that a star would have at a distance of 32.6 light years from Earth?
300
supernova
What is a gigantic explosion in which a massive star collapses?
300
Irregular galaxy
What is galaxies that have no definite shape?
400
Spectrum
What is consisting of millions of colors, including red, orange, yellow, green, blue, and violet?
400
Neutron Stars
What is very dense ball of neutrons?
400
Elliptical galaxy
What are round or oval galaxies that are slightly flattened, but not as much as spiral galaxies are?
500
Parallax
What is an apparent shift in the position of an object when viewed from different locations?
500
Pulsars
What is a spinning neutron star?
500
globular cluster
What is highly a concentrated group of stars that may have up to one million stars?
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