News tagged with supernovas

How neutron stars can break up clusters

A supernova explosion at the end of a large star's life can leave the collapsed core, or neutron star, hurtling away from its dust and gas envelope at hundreds of kilometres per second. Now, astronomers have found that even ...

dateJul 09, 2015 in Astronomy
shares33 comments 0

Cosmology looks beyond the standard model

What are the mysterious dark matter and dark energy that seem to account for so much of our Universe? Why is the Universe expanding? For the past 30 years, most cosmologists have looked to the 'standard model' to answer ...

dateJul 08, 2015 in Astronomy
shares186 comments 139

Image: Hubble sees a fascinating galactic core

This elliptical galaxy was discovered in March 1781 and lies about 60 million light-years away from Earth in the constellation of Virgo (The Virgin). The galaxy is part of the very heavily populated center of the Virgo Cluster, ...

dateJun 08, 2015 in Astronomy
shares27 comments 0

Exiled stars explode far from home

Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their home galaxies millions or ...

dateJun 04, 2015 in Astronomy
shares1749 comments 31

Image: XMM-Newton self-portraits with planet Earth

This series of images was taken 15 years ago, a couple of months after the launch of ESA's XMM-Newton space observatory. These unique views, showing parts of the spacecraft main body and solar wings, feature a guest of honour ...

dateMay 27, 2015 in Astronomy
shares28 comments 0