This image by NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) shows different structural details of the Crab Nebula. The supernova remnant ...

ABSTRACT Published images of the Crab Nebula have been scanned and measured to derive proper motions, the age of the nebula, and its point of origin. Astrometric reductions provided rms errors ranging ...

The challenge has previously asked observers to observe M1 the Crab Nebula and C39 the Clown Nebula. Breakthroughs, discoveries, and DIY tips sent every weekday. By signing up you agree to our ...