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