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Stars twinkle because of turbulence in the atmosphere of the Earth. As the atmosphere churns, the light from the star is refracted in different directions. ... Planets do not twinkle the way stars do. In fact, this is a good way of figuring out if a particular object you see in the sky is a planet or a star.
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curious.astro.cornell.edu/question.php?number=114
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Stars appear to twinkle because the light from them must reach us by passing through the atmosphere of the earth. By doing this, the light will experience some "distortion" (refraction is the physics term) to a greater or lesser d...
http://wiki.answers.com/Q/Why_do_stars_appear_to_be_bli...
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The scientific name for the twinkling of stars is stellar scintillation (or astronomical scintillation). Stars twinkle when we see them from the Earth's surface because we are viewing them through thick layers of turbulent (moving) air in t...
http://www.enchantedlearning.com/subjects/astronomy/sta...
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On a clear, dark night, our eyes can see about 6,000 or so stars in the sky. They seem to twinkle, or change their brightness, all the time. In fact, most of the stars are shining with a steady light. The movement of air (sometimes called t...
http://starchild.gsfc.nasa.gov/docs/StarChild/questions...
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Stars twinkle because of turbulence in the Earth's atmosphere. You can think as the atmosphere being made up of several "layers." Each layer has a different temperature and density. As the light from a star passes through the atmosphere, it is bent by each layer, and we perceive the twinkling.
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www.mira.org/fts0/stars/text/txt001c.htm
www.mira.org/fts0/stars/text/txt001c.htm
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Because the atmosphere is always windy and changing, the number and position of images is always changing, with the result that stars appear to twinkle. In reality, the above time-lapse sequence occurs ten times faster. ... Why Stars Twinkle ; Credit: Applied Optics Group (Imperial College), Herschel 4.2-m Telescope...
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antwrp.gsfc.nasa.gov/apod/ap000725.html
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Twinkle twinkle little star; There aren't many nursery rhymes about astronomy. But 'twinkle twinkle little ... Stars twinkle because they are very far away, and so appear as tiny points of light in our night sky. Some of this light is absorbed by moving air in the Earth's atmosphere, making the star appear to sparkle.
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www.bbc.co.uk/science/space/stars/twinkle/index.shtml
www.bbc.co.uk/science/space/stars/twinkle/index.shtml
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Question: Why do stars twinkle? helen m vonderheide Answer: Earth's atmosphere is turbulent. When light from stars passes through the atmosphere, it gets refracted from the straight line path. As a result of this, the light reaches us from different points in the sky.
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www.newton.dep.anl.gov/askasci/ast99/ast99304.htm
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Ask students to explain the phrase "Twinkle, Twinkle, Little Star". Ask them what "twinkling" means. Explain to students that only stars twinkle--the moon and planets do not. As a group, make the predictions as suggested on the activity sheet.
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quest.arc.nasa.gov/lfs/tguide/a1e.html
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