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The Daily Cosmos


The Daily Cosmos


Location: #science
Members: 57
Latest Activity: Aug 10


Cosmology - Astrophysics - Astronomy


Hubble Wallpaper - Awesome Hubble Images

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Comment by Doone on August 3, 2011 at 5:58am

Paul Bourke, a research professor at the University of Western Australia, provides us a fly-through of the known universe, according to the 6dF Galaxy Survey:

The 6dF Galaxy Survey has collected more than 120,000 redshifts over the southern sky over a 5 year period from 2001 to 2005. Its goal is to map our southern view of the local universe, and use the peculiar motions of one-tenth of the survey to measure galaxy mass. It covers more than eight times the sky area of the successful 2dF Galaxy Redshift Survey.

Watch the animation in all its glory below as it moves to the edge of the data.

[6df Galaxy Survey via Brain Pickings]

Comment by Marc on August 2, 2011 at 11:41pm
Comment by Marc on August 2, 2011 at 12:13am


Ion-powered Dawn begins study of asteroid Vesta


Comment by Doone on August 1, 2011 at 7:52pm

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

Noctilucent Clouds Over Edmonton 
Image Credit: Greg Scratchley (RASC Edmonton)

Explanation: Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground. Therefore, at sunset on the ground, sunlight still shines on clouds above. Under usual circumstances, a pretty sunset might be visible, but unusual noctilucent clouds float so high up they can be seen well after dark. Normally too dim to be seen, they may become visible at sunset during late summer when illuminated by sunlight from below. Noctilucent clouds are the highest clouds known and thought to be part of polar mesospheric clouds. Pictured above earlier this month, a network of noctilucent clouds cast an eerie white glow after dusk, above the the city of Edmonton, in AlbertaCanada. Much about noctilucent clouds has been discovered only over the past few years, while how they form and evolve remains a topic of active research.


Comment by Michel on August 1, 2011 at 3:12pm

@Jaume - your Death Star pix in not there...

Comment by Michel on August 1, 2011 at 3:11pm

@doone - It figures! UFO sighting near great airports, it means that aliens are scouting for proper landing sites.

Comment by Doone on August 1, 2011 at 2:39pm
Comment by Jaume on August 1, 2011 at 5:56am

It'll look like even more lonely once it's finished warming up.

Comment by A Former Member on July 31, 2011 at 9:20pm

Beautiful Marc. It looks so lonely out there in the void.

Comment by Marc on July 30, 2011 at 11:55pm

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