Stars, A giant ball of hot gas made of hydrogen and helium., Galaxies, A collection of many galaxies, stars, and a lot of dust., Nebulae, A collection of star dust and gas in space., Blackhole, A region in space with an extremely strong gravitational pull., Exoplanets, Planets that are beyond our solar system., Supernova, The explosion of a star when it reaches the end of its life., Light Years, The distance light travels in a year.

Celestial Bodies Memory Test

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