Stars as large as Betelgeuse are very unusual. In contrast, Rigel, the bright, bluish-white star at the southwest corner of Orion, is smaller and much hotter than Betelgeuse. Although Rigel is smaller than Betelgeuse, it is still a super-giant star compared to the sun.
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Because we spin on a side ways axis only showing on side at the time, and the moon also rotates so we don't only see one side of the moon, we only see what our eyes percieve
Tissues in which similar cells function together
Pros - Gets a lot of sunlight
Cons - Might get dehydrated
Answer:
Remove harmful,damaged or unwanted cells
