Blast From Black Hole in a Galaxy Far, Far Away: The Star Wars franchise has featured the fictitious “Death Star,” which can shoot powerful beams of radiation across space. The Universe, however, produces phenomena that often surpass what sc
This is what an exploding star looks like (for real)
Supernovae are some of the brightest objects in the sky, outshining entire galaxies with the fleeting light they produce. The huge explosions then spread gas and material over a wide area (remnants of a supernova around Cassiopeia is pictured above)
At first glance, this cosmic kaleidoscope of purple, blue and pink offers a strikingly beautiful—and serene—snapshot of the cosmos. However, this multi-colored haze actually marks the site of two colliding galaxy clusters, .
Cassiopeia A - The colourful aftermath of a violent stellar death Credit: NASA, ESA, and the Hubble Heritage STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: Robert A. Fesen (Dartmouth College, USA) and James Long (ESA/Hubble)