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Flashcards - TExMat Master Science Teacher 8-12: The Solar System & Universe

Flashcards - TExMat Master Science Teacher 8-12: The Solar System & Universe
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Big Bang
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution
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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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sunspots
Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions
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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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white dwarf
A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter
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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
white dwarf
A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter
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
sunspots
Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions
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
Big Bang
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution
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
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
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
nebula
A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases
fusion
In nuclear physics, nuclear fusion is a nuclear reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles
particle accelerator
A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams
telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation
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

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