Chandra X (X) Cassiopeia A stars Department electronic Chandra X (X) Cassiopeia A

NASA uproar as telescope detects 'titanium bubbles' that explain how stars explode

scientists valuable insight on why some stars explode.Cassiopeia A is a huge bubble of gas that’s been expanding since it exploded as a supernova several thousand years ago.

The light from the explosion first reached Earth in the 1670s.Scientists have been studying the dead star, which is around 11,000 light years away, for the past 20 years using NASA's Chandra X-ray Observatory.Results published in the scientific journey Nature this week reveal that bubbles of titanium are floating in Cassiopeia A – giving new insight into how the titanic explosions take place."Scientists think most of the titanium that is used in our daily lives – such as in electronics or jewellery – is produced in a massive star's explosion," lead study author Toshiki.

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