Physics, 09.04.2020 19:34 hsjsjsjdjjd
Careful measurements reveal that a star maintains a steady apparent brightness at most times except that at precise intervals of 127 hours the star becomes dimmer for about 4 hours. The most likely explanation is thatA) the star is amember of an eclipsing binary star system. B) the star is a Cepheid variable. C) the star is a white dwarf. D) the star is periodically ejecting gas into space, every 73 hours.
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Careful measurements reveal that a star maintains a steady apparent brightness at most times except...
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