»
  Night Sky Calendar - Northern Hemisphere
November 2009
Celestial Object
 


02 - Full Moon at 19:14 UT
05 - Taurid (south) meteor shower peaks. Active between 25 Sept and 25 Nov.
000 Associated with Comet 2P/Encke.
09 - Moon near Mars (morning sky) at 14h UT. Mag. +0.3.
12 - Taurid (north) meteor shower peaks. May produce the occasional bright fireball.
17 - Leonid meteor shower peaks at 9h UT. Arises from debris ejected by
000 Comet Tempel-Tuttle in 1533. Expect about 25 to 30 meteors per hour under
000 dark skies. Predictions of enhanced activity between 21-22h UT on 17 Nov
000 (favours sky watchers in Asia).
21 - Alpha Monocerotid meteor shower peaks at 15:25 UT. A usually minor
000 shower active 15-25 Nov. Radiant is near Procyon. Predictions of enhanced
000 activity this year. Timing favours Far East Asia, Australia and across the
000 Pacific to Alaska.
00 0 0 0 0 0// Get the complete calendar version at skymaps.com
7 -

The photo was taken by the Hubble Space Telescope and shows a detail of the nebula. This close-up shows a dense cloud of dust and gas, a stellar nursery full of embryonic stars. This cloud is about 8 light-years away from the nebula's central star, not shown in this picture. Located in Sagitarius, the nebula's name means "divided into three lobes".
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Thursday, January 17, 2008

 Amazing Image of Mercury 

Planet Mercury snapped by the Messenger

Scientists are sifting through their first new views of the planet Mercury in more than three decades thanks to images beamed home by NASA's MESSENGER probe.

The car-sized spacecraft zipped past Mercury in a Monday flyby and is relaying more than 1,200 new images and other data back to eager scientists on Earth.

In one new image, released today, the planet's stark surface is shown peppered with small craters, each less than a mile (1.6 km) in diameter and carved into an area about 300 miles (482 km) across. MESSENGER used its narrow-angle camera to photograph the scene, which is dominated by a large, double-ringed crater dubbed Vivaldi after the Italian composer. While the crater was last seen by NASA's Mariner 10 probe, MESSENGER's camera observed it with unprecedented detail, researchers said.
Another new view reveals the first look at the half of Mercury left uncharted by Mariner 10.

During Monday's flyby, MESSENGER skimmed just 124 miles (200 km) above Mercury's surface and snapped photographs of about half of the estimated 55 percent of the planet that remained uncharted after Mariner 10's mission. In addition to imagery, the probe is expected to return a wealth of new observations made by its seven instruments to scrutinize Mercury's surface composition, magnetic field, tenuous atmosphere, unusually high density and other features.


Posted @ 9:37 AM by kinzi


 


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    ryan kinzi
    Nightsky calendar (a brief version) by Skymaps & NASA's Space Calendar | Image of FCO - credit: NASA. Design & page layout © kinzi - 2009 | Contact me? xeno@(no-spam)cougars.com

     

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    The Oort cloud, is a postulated spherical cloud of comets situated about 50,000 to 100,000 AU from the Sun. This is approximately 1000 times the distance from the Sun to Pluto or roughly one light year, almost a quarter of the distance from the Sun to Proxima Centauri, the star nearest the Sun. The Oort cloud would have its inner disk at the ecliptic from the Kuiper belt. Although no direct observations have been made of such a cloud, it is believed to be the source of most or all comets entering the inner solar system (some short-period comets may come from the Kuiper belt), based on observations of the orbits of comets.
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