Over 2 decades of Chandra X-ray Observatory views of the Crab Nebula and Cassiopeia A have been time-lapsed. The Chandra team explains here. Credit: NASA/CXC/A. Hobart ...

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 ...

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...

36,356 people played the daily Crossword recently. Can you solve it faster than others?36,356 people played the daily Crossword recently. Can you solve it faster than others?

Bubble Nebula: Spanning 7 light-years across, and about one-and-a-half times the distance from our sun to its nearest stellar neighbor, Alpha Centauri, the Bubble Nebula resides 7,100 light-years ...

Staelin, D. H., and Reifenstein, E. C., IAU Circ. No. 2110 (1968). Lovelace, R. B. E., Sutton, J. M., and Craft, H. D., IAU Circ. No. 2113 (1968).

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 ...

The rapidly spinning neutron star embedded in the center of the nebula is the dynamo powering the nebula's eerie interior bluish glow. The Bubble Nebula is 7 light-years across and resides 7,100 ...