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Subject: Comet Elenin
Replies: 15 Views: 372
jlh1182 23.06.11 - 04:23pm
http://www.jpl.nasa.gov/news/news.cfm?release=2011-135 * +
jlh1182 23.06.11 - 04:26pm
You may have heard the news: Comet Elenin is coming to the inner-solar system this fall. Comet Elenin (also known by its astronomical name C/2010 X1), was first detected on Dec. 10, 2010 by Leonid Elenin, an observer in Lyubertsy, Russia, who made the discovery remotely using the ISON-NM observatory near Mayhill, New Mexico. * +
jlh1182 23.06.11 - 04:26pm
At the time of the discovery, the comet was about 647 million kilometers (401 million miles) from Earth. Over the past four-and-a-half months, the comet has as comets do closed the distance to Earth's vicinity as it makes its way closer to perihelion (its closest point to the sun). * +
jlh1182 23.06.11 - 04:27pm
As of May 4, Elenin's distance is about 274 million kilometers (170 million miles). * +
jlh1182 23.06.11 - 04:28pm
We're talking about how a comet looks as it safely flies past us, said Yeomans. Some cometary visitors arriving from beyond the planetary region like Hale-Bopp in 1997 -- have really lit up the night sky where you can see them easily with the naked eye as they safely transit the inner-solar system. But Elenin is trending toward the other end of the spectrum. * +
jlh1182 23.06.11 - 04:28pm
You'll probably need a good pair of binoculars, clear skies, and a dark, secluded location to see it even on its brightest night. * +
jlh1182 23.06.11 - 04:29pm
Comet Elenin should be at its brightest shortly before the time of its closest approach to Earth on Oct. 16 of this year. At its closest point, it will be 35 million kilometers (22 million miles) from us * +
jlh1182 23.06.11 - 04:31pm
in comparison Comet Hale-Bopp made its closest approach to Earth on March 22, 1997 at a distance of 1.315 AU (1 AU = 93 million miles or 150 million km). * +
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