 | Term | Definition |
| |
nebula |
a huge cloud of dust and gases in space(hydrogen and helium) |
| |
spectroscope |
a device that seperates light into a band of colors |
| |
red giant |
an old star that has greatly enlarged |
| |
astronomical unit (AU) |
is used to measure distances within our solar system |
| |
light year |
the distance light travels in one year (6 trillion miles)is used to measure distances between objects that are beyond the solar system |
| |
supernova |
the violent explosion of a star that has a high mass |
| |
constellation |
a group of stars that seem to form a picture |
| |
magnitude |
the brightness of a star |
| |
radio telescope |
a device that gathers radio waves from objects in space |
| |
white dwarf |
an old very dense star |
| |
black hole |
a small region in space resulting from a colaspe of a massive star |
| |
black dwarf |
the remains of a white dwarf star that has used up all its fuel |
| |
light telescope |
a device that gathers light from stars and other objects in space |
| |
neutron star |
a very small, very dense star |
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