Flashcards - The Solar System and Universe

Flashcards - The Solar System and Universe
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black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing-not even particles and electromagnetic radiation such as light-can escape from inside it
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mantle
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies
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crust
In geology, the crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle
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event horizon
In general relativity, an event horizon is a boundary in spacetime beyond which events cannot affect an outside observer
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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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photosphere
The photosphere is a star's outer shell from which light is radiated
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chromosphere
The chromosphere is the second of the three main layers in the Sun's atmosphere and is roughly 3,000 to 5,000 kilometers deep
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chromosphere
The chromosphere is the second of the three main layers in the Sun's atmosphere and is roughly 3,000 to 5,000 kilometers deep
photosphere
The photosphere is a star's outer shell from which light is radiated
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
crust
In geology, the crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle
mantle
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies
black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing-not even particles and electromagnetic radiation such as light-can escape from inside it
Brown Dwarf
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
neutron star
A neutron star is the collapsed core of a large star
galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter
pulsar
A pulsar is a highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation
Milky Way
The Milky Way is the galaxy that contains our Solar System
Ganymede
Ganymede /ˈɡænáµ»miË?d/ is the largest moon of Jupiter and in the Solar System, and the only moon known to have a magnetic field
Radio telescopes
A radio telescope is a specialized antenna and radio receiver used to receive radio waves from astronomical radio sources in the sky in radio astronomy
Refracting telescopes
A refracting telescope is a type of optical telescope that uses a lens as its objective to form an image
nebula
A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases

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