Kids' Astronomy Essay Contest Nov 3, 2009
Santa Barbara Astronomical Unit If you're 5 to 18 and can write a short astronomy essay, you can send it in for a shot at prizes ranging from $50 to $200 ... Sponsored by Dale Lowdermilk / Santa Barbara Astronomical Unit. (SkyAndTelescope.com)
Halloween sky will offer its own Great Pumpkin Oct 31, 2009
182 astronomical units ... An astronomical unit is the average distance from the Earth to the Sun: 93 million miles, making Mars 110 million miles from Earth ... 664 astronomical units, a mere 62 million miles away. (MSNBC -- Technology)
Distant GRB blueprint of early Universe Oct 31, 2009
On 31 December 2007 NASA's MESSENGER spacecraft made the first detection of solar neutrons at less than one astronomical unit from the Sun. Distant GRB blueprint of early Universe DR EMILY BALDWINASTRONOMY NOWPosted: October 29, 2009. (Astronomy Now Online)
Research shows why some asteroid belts differ Jul 17, 2009
(One AU, or astronomical unit, is the mean distance between Earth and the sun, about 93 million miles. Jupiter currently has a mean distance of 5. (MSNBC -- Technology)
All S&T Observing Blogs Jul 5, 2009
com - Observing Blog. Contributor Guidelines. (SkyAndTelescope.com)
Why Are We Moving Away from the Sun? Jun 3, 2009
astronomical unit, is gradually growing larger. Now a team of Japanese theorists have looked to the tides for an explanation. (SkyAndTelescope.com)
Rare radio supernova in nearby galaxy is nearest supernova in five years May 28, 2009
The ring is about 2,000 astronomical units across, consistent with a year-old supernova. (An astronomical unit 93 million miles, the average distance between Earth and the sun. (EurekAlert!)
Unlikely Suns Reveal Improbable Planets May 20, 2009
Moreover, the star that exploded probably had a radius larger than 1 AU (astronomical unit, the Earth-sun distance), which is larger than the orbits of the planets we see today. For both reasons, those planets must have risen up out of the ashes of the explosion. (Scientific American)
Mass-loss Leaves Close-in Exoplanets Exposed To The Core Apr 28, 2009
The team found that planets that orbit closer than 2% of an Astronomical Unit (AU), the distance between the Earth and the Sun, may lose their atmospheres completely, leaving just their core. See also. (Science Daily)
Stars Can Strip Gas Giants Naked Apr 28, 2009
According to their model, a gas giant at least the size of Jupiter can have its atmosphere torn away entirely if it orbits closer than 2 percent of an astronomical unit (AU) to a sunlike star. One AU is equal to about 93 million miles (150 million kilometers), or the distance between Earth and the sun. (National Geographic)
Bantamweight Planet and Three Dwarfs Apr 28, 2009
03 astronomical unit (3 million miles) from its parent star, taking only 3. 15 days to go around. (SkyAndTelescope.com)
Sculpting the Asteroid Belt Mar 16, 2009
2 astronomical unit (about 18 million miles) and Saturn, Uranus, and Neptune outward by an estimated 0. 8, 3. (SkyAndTelescope.com)
Space Rock 2009 DD45 Buzzes Earth Mar 3, 2009
45 is about to get its 15 minutes of fame (SkyAndTelescope.com)