Astronomy Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Astronomy | show 🗑
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| show | Having or representing the earth as a center:
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| show | Measured or considered as being seen from the center of the sun.
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| show | It is a conic section formed by the intersection of a right circular cone by a plane that cuts the axis and the surface of the cone.
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| show | A unit of length, equal to the mean distance of the earth from the sun: approximately 93 million miles (150 million km).
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| Rotation | show 🗑
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| show | The orbiting of one heavenly body around another.
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| show | The point in the orbit of a planet or comet at which it is nearest to the sun.
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| show | Astronomy. the point in the orbit of a planet or a comet at which it is farthest from the sun.
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| Phases of the moon | show 🗑
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| show | The obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention of the moon between it and a point on the earth (solar eclipse)
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| Lunar eclipse | show 🗑
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| Terrestrial Planet | show 🗑
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| show | Any of the four large outer planets: Jupiter, Saturn, Uranus, and Neptune.
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| Asteroid | show 🗑
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| Comet | show 🗑
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| Meteoroid | show 🗑
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| Meteor | show 🗑
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| show | A mass of stone or metal that has reached the earth from outer space; a fallen meteoroid.
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| Electromagnetic Spectrum | show 🗑
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| show | A quantum of electromagnetic radiation, usually considered as an elementary particle that is its own antiparticle and that has zero rest mass and charge and a spin of one. Symbol: γ.
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| show | The shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer.
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| show | See under telescope
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| Reflecting Telescope | show 🗑
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| Radio Telescope | show 🗑
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| show | A telescope launched into orbit around the earth in 1990 to provide information about the universe in the visible, infrared, and ultraviolet ranges Also called Hubble space telescope
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| Space Shuttle | show 🗑
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