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264

Q:

Is the colour of the star an indication of it?

  • 1
    distance from the earth
  • 2
    distance from the Sun
  • 3
    temperature
  • 4
    Luminosity
  • Show Answer
  • Workspace

Answer : 3. "temperature"
Explanation :

A star's colour is related to its surface temperature. The shorter the wavelength of light emitted by a star, the hotter it is. Blue or blue-white light with shorter wavelengths is the hottest. Cooler colours have longer wavelengths, such as red or red-brown.

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