NASAのインスタグラム(nasa) - 2月5日 04時25分

This edge-on view of a galaxy located about 45 million light-years away, showcases its beautiful arms, which swirl like a whirlpool around its bright central region. Astronomers took this image as they were observing an extraordinary exploding star – a supernova – near the galaxy’s central yellow core!
The star rapidly evolved from a supernova containing very little hydrogen to one that is hydrogen-rich — in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars.
By studying similar galaxies we hold a scientific mirror up to our own, allowing us to build a better understanding of our galactic environment, which we cannot always observe, and of galactic behavior and evolution as a whole.
Credit: ESA/Hubble & NASA/D. Milisavljevic (Perdue University)
#nasa #space #hubble #spothubble #galaxy #lightyears #spacetelescope #telescope #pictureoftheday #spiral #swirl #whirlpool #astronomy #solarsystem #universe #beautiful #science #supernova

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