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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
From an observational standpoint, what is a pulsar?
A) A star that slowly changes its brightness, getting dimmer and then brighter, with a period of anywhere from a few hours to a few weeks.
B) An object that emits flashes of light several times per second (or even faster), with near perfect regularity.
C) An object that emits random "pulses" of light, sometimes with only a fraction of a second between pulses and other times with several days between pulses.
D) A star that changes color rapidly, from blue to red and back again.
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padrepadre
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10 years ago
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killian Author
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10 years ago
Thanks
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