1) For a star that is moving away from the Earth, 2) Which of the following is t
ID: 1863729 • Letter: 1
Question
1) For a star that is moving away from the Earth,
2) Which of the following is the best reason for putting a telescope into orbit around the Earth? Telescopes in orbit around the Earth
a) the spectral lines of the star are much narrower than the spectral lines of an identical star that is not moving towards or away from the earth. b) the spectral lines of the star are shifted towards the blue end of the spectrum compared to an identical star that is not moving towards or away from the earth. c) the spectral lines of the star are shifted towards the red end of the spectrum compared to an identical star that is not moving towards or away from the earth. d) the spectral lines of the star are at the same wavelengths compared to an identical star that is not moving towards or away from the earth.Explanation / Answer
1) For a star that is moving away from the Earth,
c) the spectral lines of the star are shifted towards the red end of the spectrum compared to an identical star that is not moving towards or away from the earth.
2) Which of the following is the best reason for putting a telescope into orbit around the Earth? Telescopes in orbit around the Earth
c) can observe using the full range of the electromagnetic spectrum.
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