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33 Cards in this Set
- Front
- Back
Showers
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When many meteors enter our atmosphere at once, or almost at once.
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Radio telescope
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An antenna or set of antennas that is used to detect radio radiation from space.
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One Year
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the length of time the Earth takes to orbit the Sun.
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Eclipse
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When one ""body"" (like the moon) passes through the shadow of another.
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Dust tail
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the dust left behind a comet, reflecting sunlight.
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Annular eclipse
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a type of solar eclipse in which a ring (annulus) of sunlight remains visible.
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Asteroid belt
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a region of the solar system, between the orbits of Mars and Jupiter, in which most of the asteroids orbit.
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Double Star
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A binary star; two or more stars orbiting each other.
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Black hole
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A region of space that nothing, not even light, can escape from.
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Astrophysics
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The science of applying the laws of physics to the universe.
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Astronomical Unit (A.U.)
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The average distance from the Earth to the Sun.
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Coma
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The region around the head of a comet.
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Core
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The center of a star or planet.
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Belts
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Dark bands around certain planets, like Jupiter.
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Comet
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A object orbiting the sun that when it gets close to the sun shows a coma and may show a tail.
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Constellation
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one of 88 areas that the sky has been divided into to make finding a star or other object easier.
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Meteoroid
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An chunk of rock from space that is smaller than an asteroid.
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Light year
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the distance that light travels in one year.
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Full moon
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The phase of the moon when the side facing the earth is completely lit by sunlight.
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Fireball
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an very bright meteor.
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Giant planets
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Jupiter, Saturn, Uranus, and Neptune.
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Highlands
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Places on the moon that are above the level that may have been smoothed by flowing lava.
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Geology
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the study of the Earth.
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Great Red Spot
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Thel large red storm going around like a tornado on Jupiter.
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Gibbous moon
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the phases between half moon and full moon.
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Meteorite
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An chunk of rock from space after it hits a planet or moon, especially on the earth.
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New moon
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The phase when the side of the moon facing the earth is the side that is not lit at all by sunlight.
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Shooting stars
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Meteors.
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Asteroid
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a "minor planet" ,a chunk of rock smaller than planet size but larger than a meteoroid, in orbit around a star.
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Spring tides
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The tides of the ocean are at their highest when the earth, moon, and sun are in a line.
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Terrestrial Planets
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Mercury, Venus, Earth and Mars.
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Star
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a ball of gas that makes its own light and heat because of nuclear reaction in its center.
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Tail
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Gas and dust left behind as a comet orbits close to the sun. The sunlight makes the tail bright.
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