Asteroid - small, rocky object that orbits the sun, astronaut - a person trained to travel in space, astronomer - a scientist to studies the universe, atmosphere - the area of air and gas that wraps around Earth and other planets, black hole - a place in space where the pull of gravity is so strong that even light cannot escape, comet - object made of frozen gas, rock and dust that orbits the sun, eclipse - when one celestial body blocks light from reaching another by moving between it and the light source, kuiper belt - a cold, dark area of the solar system which contains thousands of comets and asteroids, Milky Way - our galaxy that contains over 200 billion stars, moon - a large celestial object that is Earth's natural satellite, orbit - a regular and repeated circle around an object, red giant - a star that has run out of hydrogen gas and grows bigger and redder, red dwarf - a star that is smaller and cooler than most, satellite - a human-made object in space that collects information, star - an object made of bright, glowing plasma that is held together by gravity, sun - the body at the centre of our solar system, waning - when the moon gradually gets less visible, waxing - when the moon gradually becomes more visible, white dwarf - a start that has burnt up its fuel and begins to collapse inwards,

Space Vocab

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