Our Universe Vocabulary | Baamboozle - Baamboozle

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vocabulary words to do with our universe and solar systems

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revolution

an object's, such as a planet's, orbital motion around another object

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rotation

the movement or path of the earth (or another celestial body) turning on its axis

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solar eclipse

occurs when the moon passes directly between Earth and the sun

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lunar eclipse

occurs when the moon passes through the shadow produced by earth

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equinox

the day when day and night are equal length: 12 hours

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solstice

the day when the difference in length between day and night is the greatest

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axis of rotation

the imaginary line that passes through the geographic North Pole and the geographic South Pole

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light year

the distance that light travels in one year

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Uranus

gas giant with 27 moons, its rotational axis is almost horizontal to its orbit, has a thin ring system, 7th planet from the sun

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Saturn

gas giant with 61 moons; has huge, thin rings made of ice, dust, and rock fragments; 6th planet from the sun

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Jupiter

gas giant with 63 moons that gives off more energy than it receives from the sun, largest planet from the solar system, 5th planet from the sun

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Neptune

gas giant with 14 moons, most distant planet from the sun, has the strongest winds of any planet

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Mercury

rocky planet with no atmosphere, has a huge metallic core and its surface is covered with impact craters, 1st planet from the sun

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Venus

rocky planet with a very dense atmosphere of carbon dioxide and clouds of sulfuric acid, high surface temperature, 2nd planet from the sun

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Earth

rocky planet with an atmosphere of mostly oxygen and nitrogen, only planet with liquid water and life, 3rd planet from the sun

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Mars

rocky planet with a thin atmosphere; surface features include craters, valleys, deserts, and ice caps; 4th planet from the sun

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