Neutron Star

Once a very large star reaches the end of its life, it swells up as a red giant. Eventually, it converts all its hydrogen to helium and then helium into heavier elements. It quickly runs out of fuel and explodes as a supernova (if it is is massive enough). The centre of the star then collapses down to form a new star that is so dense that protons and electrons get combined and only neutrons can exist - at least in the middle - so it gets called a neutron star. This collapse can also spin it up and if can turn it into a pulsar. While ambling around the Jodrell website I stumbled across this cosmic confectionary wrapper.

Posted in astro blog by Stuart on Thursday 24th Mar 2005 (08:32 UTC) | Permalink
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