Earth & Space
Terms in this set (34)
any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
the region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found
astronomical unit (AU)
average distance between the Earth and the Sun
the angle that a planet's axis is tilted from vertical (23.5)
An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
A ball of frozen dust and rock that orbits the sun and has a tail that glows
Moon phases in which the Moon is waxing and 1/2 of the Moon can be seen
moon phase when the entire side facing Earth is illuminated.
A large planet that consists mostly of gases in a dense form. The four large planets in the outer solar system- Jupiter, Saturn, Uranus, and Neptune.
Moon phase in which the Moon is waning and 1/2 of the Moon can be seen
The distance light travels in one year
the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon
The length of time for the moon to orbit or revolve around earth one time (29.5 Days)
A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.
The path of an object as it revolves around another object in space
one of the different shapes of the moon as seen from Earth
to go around something in a circle; to turn around in a circle
to spin on an axis
Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth
The sun, planets, and all the other objects that revolve around the sun
The name given to the four inner planets: Mercury, Venus, Earth, and Mars.
The periodic rise and fall of the level of water in the ocean
(of the moon) pertaining to the period during which the visible surface of the moon increases
(of the moon) pertaining to the period during which the visible surface of the moon decreases
A large body in space that orbits a star and does not produce light of its own
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
All of space and everything in it
A model of the Universe in which the
earth/planets revolved around the sun
A model of the universe in which Earth is at the center of the revolving planets and stars.
the force of attraction between all masses in the universe
Each of the two times of the year when days and nights are of equal length
The two days of the year on which the sun reaches its greatest distance north or south of the equator
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