Sunday, September 11, 2011

Why do stars twinkle?


by: Google Images
     
       Stars do not actually twinkle when viewed from outer space. They appear to twinkle when we see them from the Earth's surface because we are viewing them through thick layers of moving air in the Earth's atmosphere. 


http://www.enchantedlearning.com/subjects/astronomy/stars/twinkle.shtml

No comments:

Post a Comment