Crossword Puzzle Reading comprehensionOnline version After reading how the universe was formed, complete the following crossword. Link to the reading: https://www.amnh.org/exhibitions/permanent/the-universe/the-universe/formation-and-evolution-of-the-universe#:~:text=Our%20universe%20began%20with%20an,stars%20and%20the%20first%20galaxies. by Inglés So.Co. 1 Some explosions of stars are called ______.. 2 Big Bang is an _______. 3 ______ are grouped into clusters and superclusters. 4 When the _____ cooled, the simple elements formed. 5 Star explosions allowed rocky _____ to form. 6 ______ gradually attracted matter. 7 Due to the high density and temperature, _________ expanded. 8 Due to gravity the first _________ were formed. 7 8 4 3 5 6