April 2012
16 posts
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The Eye of the Storm
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This image from the NASA/ESA Hubble Space Telescope could seem like a quiet patch of sky at first glance. But zooming into the central part of a galaxy cluster — one of the largest structures of the Universe — is rather like looking at the eye of the storm.
Clusters of galaxies are large groups consisting of dozens to hundreds of galaxies, which are bound together by gravity....
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Friend requests on Facebook
Hi all! I’ve been getting quite a lot of friend requests on Facebook again just recently. I think a lot are people who follow my blog, and I’m flattered that you enjoy the blog enough to want to add me as a friend, but I’ve had a few spammers as well. If you wish to add me as a friend on Facebook, feel free, but could you please send a short message along with your friend...
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La Silla, the First Home for ESO’s Telescopes —...
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ESO turns fifty this year, and to celebrate this important anniversary, we are showing you glimpses into our history. Once a month during 2012, a special Then and Now comparison Picture of the Week shows how things have changed over the decades at the La Silla and Paranal Observatory sites, the ESO offices in Santiago de Chile, and the Headquarters in Garching bei München,...
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A Spiral Galaxy in Hydra
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This image from the NASA/ESA Hubble Space Telescope shows NGC 4980, a spiral galaxy in the southern constellation of Hydra. The shape of NGC 4980 appears slightly deformed, something which is often a sign of recent tidal interactions with another galaxy. In this galaxy’s case, however, this appears not to be the case as there are no other galaxies in its immediate vicinity.
The...
