|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
Upgraded Space Station May Rival Venus in Night Sky
looks like a Foxnews article answered my question from a few days ago http://www.foxnews.com/story/0,2933,214051,00.html Upgraded Space Station May Rival Venus in Night Sky Sunday, September 17, 2006 By Joe Rao The biggest and brightest man-made object orbiting the Earth just got bigger and brighter. Astronauts on board the international space station unfurled a new pair of solar-energy panels that sprout out of the end of a new 17.5-ton truss section, which was brought up by the space shuttle Atlantis. They are the largest solar panels ever taken to space; fully unfolded, they reach a length of 240 feet (73 meters). They are designed to double the ISS' capability to generate power from sunlight when they go online during a future shuttle mission. The panels are made of layers of thin gold Mylar plastic, which are highly reflective. Like other satellites, the ISS shines by virtue of sunlight reflected off of its metallic skin. The station orbits approximately 213 miles (341 kilometers) above Earth. How bright? Before the ISS spread its new pair of gold wings, it was already the brightest of all space vehicles, at times appearing to shine with a brilliance equal to the planet Jupiter. Now skywatchers should notice the orbiting outpost glowing with an even greater luster. Nobody knows exactly how much brighter it will be, but there's a good chance that it could be brighter than magnitude -3, approaching the glow of Venus, the brightest planet. On this astronomers' scale, smaller numbers denote brighter objects, and negative numbers are reserved for the handful of the very brightest. The ISS will likely get even brighter. The solar panels are only the second of four planned arrays that will be deployed between now and when the shuttle fleet retires in the year 2010. When to look Skywatchers across much of North America will have opportunities to see the ISS in the coming weeks. To the unaided eye, it appears as a large "star" with a yellowish-white tint that moves with a steady speed across the sky. Beginning late next week and running through the first two weeks of October, early risers will be able to look for the station in the dawn twilight if skies are clear. Starting in mid-October, it will make passes during convenient evening hours, soon after sundown. To find out if the international space station will pass over your hometown, go to NASA's tracking page http://spaceflight.nasa.gov/realdata/sightings/ or the Heavens Above web site. http://heavens-above.com/ Amateurs with large telescopes and some knowledge of astrophotography have in the past had success photographing the space station. |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Space Calendar - August 26, 2005 | [email protected] | History | 0 | August 26th 05 05:08 PM |
Space Calendar - June 24, 2005 | [email protected] | Astronomy Misc | 0 | June 24th 05 05:11 PM |
Space Calendar - February 25, 2005 | [email protected] | History | 0 | February 25th 05 04:25 PM |
Space Calendar - December 23, 2004 | [email protected] | Astronomy Misc | 0 | December 23rd 04 04:03 PM |
Space Calendar - December 23, 2004 | [email protected] | History | 0 | December 23rd 04 04:03 PM |