Astronomers have just uncovered the true nature of what they thought was a regular supernova observed in January. At the time, it looked like a supernova emitting a 5-minute long burst of X-rays. But these X-rays were of a lower energy (known as “soft” X-rays) than expected leading some to believe this was a normal [...]
Posts Tagged ‘supernova’
Astronomers Discover a Supernova/Gamma Ray Burst Hybrid (UT)
Posted in Orbitiniai, Supernovos, tagged gamma ray burst, grb, rentgenas, supernova, swift, x-ray on 2008/07/26 | Leave a Comment »
The Cosmic Void: Could we be in the Middle of it? (UT)
Posted in Kosmologija, Supernovos, tagged copernican principle, cosmic void, dark energy, supernova, tamsioji energija, tuštuma on 2008/07/23 | Leave a Comment »
On large scales, the Universe is homogeneous and isotropic. This means that no matter where you are located in the cosmos, give or take the occasional nebula or galactic cluster, the night sky will appear approximately the same. Naturally there is some ‘clumpiness’ in the distribution of the stars and galaxies, but generally the density [...]