P1 - The Earth in the Universe Keywords

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  • Created by: parvati
  • Created on: 15-11-15 19:13
Asteroid
Small irregular lumps of rock; in orbit in the solar system
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Comets
Lumps of rock & ice with very long orbits around the sun
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Dwarf Planets
Spherical lumps of rock that orbit around the sun (eg Pluto)
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Real Brightness
The amount of light emitted by a star taking into account how far away it is
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Relative Brightness
The apparent brightness of a star as seen from earth
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Light Pollution
Excessive artificial light, that prevents us from seeing the stars at night and can disrupt the ecosystem
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Nuclear Fusion
Nuclear reactions in which two small atomic nuclei combine to make a larger nucleus, with a large amount of energy
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Oceanic Ridges
Undersea mountain range formed by seafloor spreading and caused by the escape and solidification of magma where plants react
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Other cards in this set

Card 2

Front

Lumps of rock & ice with very long orbits around the sun

Back

Comets

Card 3

Front

Spherical lumps of rock that orbit around the sun (eg Pluto)

Back

Preview of the back of card 3

Card 4

Front

The amount of light emitted by a star taking into account how far away it is

Back

Preview of the back of card 4

Card 5

Front

The apparent brightness of a star as seen from earth

Back

Preview of the back of card 5
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