Around 11,000 years ago. A massive star explodes as a supernova, ejects its shell and ends up as a neutron star in the constellation Vela. The explosion was so bright that our ancestors could see it in the daytime sky.
Read moreAround 11,000 years ago. A massive star explodes as a supernova, ejects its shell and ends up as a neutron star in the constellation Vela. The explosion was so bright that our ancestors could see it in the daytime sky.
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