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Last updated on April 23, 2014 at 20:10 EDT

Latest C. Robert O'Dell Stories

2013-05-23 12:20:44

WASHINGTON, May 23, 2013 /PRNewswire-USNewswire/ -- The Ring Nebula's distinctive shape makes it a popular illustration for astronomy books. But new observations by NASA's Hubble Space Telescope of the glowing gas shroud around an old, dying, sun-like star reveal a new twist. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) "The nebula is not like a bagel, but rather, it's like a jelly doughnut, because it's filled with material in the middle," said C. Robert O'Dell of...

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2004-12-16 14:30:00

NASA -- Looks can be deceiving, especially when it comes to celestial objects like galaxies and nebulas. These objects are so far away that astronomers cannot see their three-dimensional structure. The Helix Nebula, for example, resembles a doughnut in colorful images. Earlier images of this complex object "” the gaseous envelope ejected by a dying, sun-like star "” did not allow astronomers to precisely interpret its structure. One possible interpretation was that the Helix's...