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The Daily Cosmos or Interesting Facts about the Universe

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The Daily Cosmos or Interesting Facts about the Universe

Cosmology
Astrophysics
Astronomy

Location: #science
Members: 58
Latest Activity: 52 minutes ago

 

Cosmology - Astrophysics - Astronomy

 

Hubble Wallpaper - Awesome Hubble Images

Discussion Forum

Big Bangers' Imaginations Supply Their Story's Only Support.

Started by May the Big Bang RIP. Last reply by May the Big Bang RIP Jul 23, 2017. 6 Replies

'Hot Jupiter'

Started by Mrs.B. Last reply by Mrs.B Apr 9, 2016. 7 Replies

NASA's Solomon's Choice.

Started by Davy Oct 3, 2013. 0 Replies

This is Science at Work.

Started by Davy. Last reply by Davy Aug 15, 2013. 1 Reply

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Comment by Doone has Fremdschämen on May 21, 2011 at 5:42pm

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

A Starry Night of Iceland 
Credit: Stephane Vetter (Nuits sacrees)

Explanation: On some nights, the sky is the best show in town. On this night, the sky was not only the best show in town, but a composite image of the sky won an international competition for landscape astrophotography. The above winning image was taken two months ago over Jökulsárlón, the largest glacial lake in Iceland. The photographer combined six exposures to capture not only two green auroral rings, but their reflections off the serene lake. Visible in the distant background sky is the band of our Milky Way Galaxy, the Pleiades open clusters of stars, and the Andromeda galaxy. A powerful coronal mass ejection from the Sun caused auroras to be seen as far south as Wisconsin, USA. As the Sun progresses toward solar maximum in the next few years, many more spectacular images of aurora are expected.

Comment by Michel on May 16, 2011 at 1:01pm

How Far Away is the Farthest Galaxy?
From Starts With A Bang.

Comment by Michel on May 16, 2011 at 12:49pm
Comment by Adriana on May 15, 2011 at 8:47pm
Go see Thor, my atheist sons saw it and said it was good fun.
Comment by Neal on May 15, 2011 at 8:23pm
Science and myth combined. I'm actually thinking of seeing the movie, what's a nordic guy to do?
Comment by Doone has Fremdschämen on May 15, 2011 at 8:06pm

Science On The Silver Screen

LagoonClose_hst_c0

Adam Frank praises "Thor" for blending of classical myth and real science:

As an astronomer, I couldn't miss the variegated interstellar clouds in hues of cobalt and magenta that make up much of the film's cosmic background. They are taken right out from images captured by telescopes like Hubble, Spitzer and Herschel.

Visualizing star-forming clouds in this way is more than just entertainment. It's a process by which the fruits of scientific cosmos building move from the rarified realm of theory into the imaginative resources of the culture as a whole. Now everyone who sees Thor kick some frost-giant butt also knows what star-forming clouds look like, even if they never have to explicitly recognize it. That is the new power of myth.

(Image of the Lagoon Nebula, "a star forming region about 5,000 light-years distant in the constellation Sagittarius," via NASA, ESA, and the Hubble Space Telescope.)

Comment by Michel on May 15, 2011 at 10:01am

The Sombrero Galaxy from Hubble
From NASA's Astronomy Picture Of the Day.

What's going on in the center of this spiral galaxy? Named the Sombrero Galaxy for its hat-like resemblance, M104 features a prominent dust lane and a bright halo of stars and globular clusters. Reasons for the Sombrero's hat-like appearance include an unusually large and extended central bulge of stars, and dark prominent dust lanes that appear in a disk that we see nearly edge-on. Billions of old stars cause the diffuse glow of the extended central bulge. Close inspection of the bulge in the above photograph shows many points of light that are actually globular clusters. M104's spectacular dust rings harbor many younger and brighter stars, and show intricate details astronomers don't yet fully understand. The very center of the Sombrero glows across the electromagnetic spectrum, and is thought to house a large black hole. Fifty million-year-old light from the Sombrero Galaxy can be seen with a small telescope towards the constellation of Virgo.

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 Doone has Fremdschämen 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.” —skysurvery.org

Comment by Doone has Fremdschämen on May 5, 2011 at 6:41am
 
 
 

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