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2. Cosmic Background Radiation
The Cosmic Background Radiation are when the heat of a planet is measured by the left over heat of it. This is based on the “Big bang Theory” wherein the planets were formed because it was once a very hot radiation.
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generally found between the latitudes of 45 degrees north and 65 degrees north. love your pfp btw ;)
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False
Explanation
In a demographic equation is a mathematical model that determines changes in population by taking births minus deaths plus the amount of migration to the demographic area. The estimate is simply on the increase or decrease in population by adding the number of births plus the net migration to the previous numbers then subtracting the number of deaths.
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The spectral types and sub-classes represent a temperature sequence, from hotter (O stars) to cooler (M stars), and from hotter (subclass 0) to cooler (subclass 9). The temperature defines the star's "color" and surface brightness. ... Stars are also classified by luminosity class.
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