![Crab-nebula](https://www.astronomy.com/wp-content/uploads/sites/2/2023/02/Crab-nebula.jpg)
Crab Nebula (M1)
NASA/ESA
As we saw in the March 2011 article “The Crab Nebula’s everlasting mystery,” the Crab Nebula (M1) has a lot to offer astronomers of all stripes. It’s literally a textbook example of certain astrophysical processes, and yet it continues to surprise researchers with its oddities.