These are the remains of a giant star, which completed its life cycle with a powerful explosion about 11,000 years ago
Astronomers at the European Southern Observatory’s (ESO) Very Large Telescope (VLT) in Chile have released the spectacular photo of “ghost” of a massive star. These are the remains of a giant star, which completed its life cycle with a powerful explosion about 11,000 years ago.
Very massive stars often reach their explosive end as supernova. These cataclysmic explosions cause powerful shock waves that penetrate the surrounding gases, compress them, release energy that heats them and makes them very bright. Something that was captured, even so long after the explosion, in the new 554 million pixel photo of the supernova Hestia in the southern constellation of the same name.
The supernova in question, at only 800 light-years away, it is one of the closest to Earth. What is left of the star after its explosion is an enormously dense sphere, a neutron star (pulsar), spinning like a whirlwind around its axis at an incredible speed of ten times a second.
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