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M star

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noun Astronomy.
a relatively cool, red star, as Antares or Betelgeuse, having a surface temperature of less than 3600 K and an absorption spectrum dominated by molecular bands, especially titanium oxide.
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SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Compare spectral type.

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