Space and Cosmos Crossword Puzzle

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QUESTIONS LIST: supernova : a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass, astronomer : one who studies the night sky and stars and planets, deimos : one of the moons of mars, meteorite : a piece of rock or metal that has fallen to the earth's surface from outer space as a meteor, uranus : a planet that rolls on its equator, pulsar : a celestial object, thought to be a rapidly rotating neutron star, that emits regular pulses of radio waves, wormhole : a hypothetical connection between widely separated regions of space–time, sputnik : first man made satellite in space, black hole : a point in space with gravity strong enough to suck in even light, pluto : a planet that was reclassified as a dwarf planet, galaxy : a large collection of planets and stars, mercury : a planet that goes around the sun in 88 days, comet : wandering heavenly bodies that are dirty balls of snow and ice and develop a tail as come near to the sun, cosmonaut : a russian astronaut, jupiter : largest planet in the solar system