A video taken by cosmonaut Oleg Artemyev 2018 at the ISS.
Red = Kerosene Orange = Liquid Hydrogen Blue = Liquid Oxygen
It shows the remains of a star that exploded thousands of years ago! The entire nebula is about 110 light-years across, showing only a small fraction of it.
“NGC 891 is a galaxy about 30 million light-years away from the Andromeda galaxy, discovered by William Herschel on October 6, 1784. This galaxy is a member of the NGC 1023 galaxy in the local supercluster.” Do you think We are alone in the Universe?