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The Daily Cosmos


The Daily Cosmos


Location: #science
Members: 56
Latest Activity: 16 hours ago


Cosmology - Astrophysics - Astronomy


Hubble Wallpaper - Awesome Hubble Images

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Starts With A Bang

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Comment by Michel on May 9, 2011 at 12:25pm
@doone - thnx for the clip, it is amazing. I'll repost it in Videos, I think people need to see that. I'm amazed at the technical savvy and the technology required to film this kind of footage, but even more by how it makes the invisible visible. I'm a big fan of cloud imagery but this time-lapse really shows clouds for what they are: hyperfluid masses carried by the invisible athmosphere...
Comment by A place called Doone on May 9, 2011 at 10:34am

The entire universe in one picture

“The Photopic Sky Survey is a 5,000 megapixel photograph of the entire night sky stitched together from 37,440 exposures. Large in size and scope, it portrays a world far beyond the one beneath our feet and reveals our familiar Milky Way with unfamiliar clarity. When we look upon this image, we are in fact peering back in time, as much of the light—having traveled such vast distances—predates civilization itself.” —

Comment by A place called Doone on May 5, 2011 at 6:41am
Comment by Adriana on May 4, 2011 at 2:11pm
It is very interesting, isn't it? You post it, Michel :-)
Comment by Michel on May 4, 2011 at 1:55pm
Gender funnels... LMAOF The dark side of NASA! This needs to posted as a Video!
Comment by Adriana on May 4, 2011 at 12:55pm
Comment by A place called Doone on April 24, 2011 at 6:34pm
Comment by Michel on April 24, 2011 at 3:05pm
This has just become my new wallpaper.
Comment by A place called Doone on April 24, 2011 at 8:26am

See Explanation. Clicking on the picture will download the highest resolution version available.

The Cat's Eye Nebula from Hubble 
Credit: NASAESAHEIC, and The Hubble Heritage Team (STScI/AURA)

Explanation: Staring across interstellar space, the alluring Cat's Eye nebula lies three thousand light-years from Earth. A classic planetary nebula, the Cat's Eye (NGC 6543) represents a final, brief yet glorious phase in the life of a sun-like star. This nebula's dying central star may have produced the simple, outer pattern of dusty concentric shells by shrugging off outer layers in a series of regular convulsions. But the formation of the beautiful, more complex inner structures is not well understood. Seen so clearly in this sharp Hubble Space Telescope image, the truly cosmic eye is over half a light-year across. Of course, gazing into the Cat's Eye, astronomers may well be seeing the fate of our sun, destined to enter its own planetary nebula phase of evolution ... in about 5 billion years.

Comment by A place called Doone on April 23, 2011 at 12:14am

See Explanation. Clicking on the picture will download the highest resolution version available.

Shadows at the Lunar South Pole 
Credit: NASA / GSFC / Arizona State Univ. / Lunar Reconnaissance Orbiter

Explanation: What is it? It's a multi-temporal illumination map, of course. To make it, the wide angle camera on the Lunar Reconnaissance Orbiter spacecraft collected 1,700 images over a period of 6 lunar days (6 Earth months), repeatedly covering an area centered on the Moon's south pole. Converted to binary values (shadowed pixels set to 0, illuminated pixels set to 1) the images were stacked to produce a map representing the percentage of time each spot on the surface was illuminated by the Sun. Remaining convincingly in shadow, the floor of the 19 kilometer diameter Shackleton crater is seen near the center of the map. The lunar south pole itself is at about 9 o'clock on the crater's rim. Since the Moon's axis of rotation stays almost perpendicular to the ecliptic plane, crater floors near the lunar south and north poles can remain in permanent shadow and mountain tops in nearly continuous sunlight. Useful to future outposts, the shadowed crater floors could offer reservoirs of water ice, and the sunlit mountain tops ideal locations for solar power arrays.


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