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  1. Star D would be brighter and it would be a hotter as a white hot star compared to C which is a red hot star.

    1 Answers · Science & Mathematics · 27/03/2011

  2. ...they are still reflecting light. I think sunrises appear brighter to you because you are comparing them to the darkness of night...

    1 Answers · Science & Mathematics · 12/02/2007

  3. ... on some white dwarf stars. Red giants tend to be brighter than main sequence stars but they aren't brighter than all main sequence...

    4 Answers · Science & Mathematics · 13/03/2012

  4. d. 100 times brighter One magnitude is 100^(-1/5) ≈ 1/2.512 Capella is 2.512^0 = 1, and the comparison star is 2.512^-5 ≈ 1/100.

    1 Answers · Science & Mathematics · 18/05/2011

  5. b it would be more dense n have more influence on the gravity so it would pull the planets closer i honeslty thought that was the right answer...........sorry :(

    2 Answers · Science & Mathematics · 26/11/2011

  6. The correct answer is A... because B is the absence of light. If you take a prism and shine sunlight through it you'll get a rainbow of colors... so, logically, if you reverse the process you should get white light.

    5 Answers · Science & Mathematics · 15/05/2007

  7. Why would we need to when we already have tools to measure these distances?

    4 Answers · Science & Mathematics · 08/12/2009

  8. 1. A. Giant stars have luminosities between 10 and 1,000 times that of the Sun. 2. B. Supergiants can have brightness from 30,000 up to hundreds of thousands times the solar luminosity.

    5 Answers · Science & Mathematics · 25/06/2012

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