Sunday, September 6, 2020

APOD - M1: The Crab Nebula from Hubble

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2020 September 6
See Explanation.  Clicking on the picture will download  the highest resolution version available.

M1: The Crab Nebula from Hubble
Image Credit: NASA, ESA, Hubble, J. Hester, A. Loll (ASU)

Explanation: This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously complex, but appear to have less mass than expelled in the original supernova and a higher speed than expected from a free explosion. The featured image, taken by the Hubble Space Telescope, is presentedi in three colors chosen for scientific interest. The Crab Nebula spans about 10 light-years. In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town. The Crab Pulsar rotates about 30 times each second.

Tomorrow's picture: path to the castle to the stars


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