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A collection of ionized gases and dust in interstellar space
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Questions regarding two objects colliding into each other with considerable force.
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an object that orbits another object. In space, satellites may be made by man, or they may be natural. Most man-made satellites also orbit the Earth, but some orbit other planets, such …
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Questions about the "Goldilocks Zone" around a parent star where conditions are just right for the potential of life developing.
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Questions about the gas that lays between stars in galaxies.
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Questions related to the evolution of stars.
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Space debris (also known as "orbital debris", "space junk", or "space waste") is the collection of defunct objects in orbit around Earth and includes everything from spent rocket stages, old satellite…
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Questions about Saturn, the 6th planet in Earth's solar system.
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Questions regarding the former 9th (now dwarf) planet Pluto.
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Questions about the observed frequency range of the electromagnetic radiation of a celestrial object.
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Questions related to the physical processes involved in or to the observations of the process of forming a star.
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Stellar dynamics describe the branch of astronomy that studies the regularities in the motions of stars in gravitational fields of a stellar systems, as well as the evolution of stellar systems.
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