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Flashcards - Galaxies & the Universe

Flashcards - Galaxies & the Universe
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white dwarf
A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter
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red giant
A red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution
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main sequence star
In astronomy, the main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness
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main sequence star
In astronomy, the main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness
red giant
A red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution
white dwarf
A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter
event horizon
In general relativity, an event horizon is a boundary in spacetime beyond which events cannot affect an outside observer
Milky Way
The Milky Way is the galaxy that contains our Solar System
brown dwarfs
Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giants and the lightest stars, of approximately 13 to 75–80 Jupiter masses
astronomical unit
The astronomical unit is a unit of length, roughly the distance from Earth to the Sun

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