vesmír

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New community features for Google Chat and an update on Currents
A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star's shattered fragments.
Brown dwarf stars host powerful aurora displays, astronomers discover
Brown dwarf stars host powerful aurora displays just like planets, astronomers have discovered.
bt-images.net
the cosmic ice sculptures of the Carina Nebula via Hubblesite. The visible space is big, complex and can be incredibly beautiful. from 9 Incredible Photos of our Universe Nebula
Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.
bt-images.net
Swan nebula~ the heavens declare the glory of God. I don't know how scientists account for the "spire" formations.
The Daily Galaxy - Great Discoveries Channel - Great Discoveries Channel
In August of 2007, astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter such as galaxies, stars, and gas, and neither does it contain the strange and mysterious dark matter, which can be detected but not seen. The large void in the Constellation Eridanus appears to be improbable given current cosmological models. A radical and controversial theory proposes that it is a "universe-in-mass black hole"
File:Callisto, moon of Jupiter, NASA.jpg
Callisto. A moon from Jupiter
This is a real shooting star! It is only a couple of hundred light years distant. Mira is moving very fast relative to everything near it, likely because it was ejected from a star cluster.