The star could have fifty solar masses.
Observations of the space telescope "Hubble" has allowed scientists to discover another cosmic mystery and to learn what looked like a blue supergiant star prior to his death, which occurred recently.
Star, the picture of which is presented above, existed at a distance of 65 million light years from Earth, within the group of young stars in the spiral galaxy NGC 3938.
It exploded as a supernova in astronomical terms is almost "yesterday" – in 2017. However, archival photographs of the space telescope "Hubble" allowed to find out what she looked like in 2007, even before the time of the explosion.
It turned out that the star might have fifty solar masses, and its combustion occurs with great speed, that is, she was much fiercer than our Sun.
The star was so hot that lost their outer layers of hydrogen and helium. After the explosion, the spectral data showed complete absence in a supernova of hydrogen and helium, which allowed astronomers to classify it as a supernova of type Ic.
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