Physics, 23.12.2019 12:31 shelbyp2003
14. the sun's layer is called the photosphere . a. true . b. false . 15. meteoroids can form when comets break apart , creating dust clouds. a. true . b. false . 16. a star is born whenever a nebula expands. a. true . b. false . 17. a star system has at least three stars. a. true . b . false
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