Ghostly Star Tendrils Captured in the Largest Image Ever Released (Video)
NOIRLab Dark Energy Camera captures remains of a massive star that exploded nearly 11,000 years ago in huge gigapixel image This colorful web of wispy gas filaments is the Vela Supernova Remnant, an expanding nebula of cosmic debris left over from a massive star that exploded about 11,000 years ago. Located around 800 light-years away […]
Webb Reveals Details Never Before Seen in Cassiopeia A
The explosion of a star is a dramatic event, but the remains the star leaves behind can be even more dramatic. A new mid-infrared image from NASA’s James Webb Space Telescope provides one stunning example. It shows the supernova remnant Cassiopeia A (Cas A), created by a stellar explosion 340 years ago from Earth’s perspective. […]
Webb Captures Rarely Seen Prelude to A Supernova
The rare sight of a Wolf-Rayet star — among the most luminous, most massive, and most briefly-detectable stars known — was one of the first observations made by the NASA/ESA/CSA James Webb Space Telescope (Webb). Webb shows the star WR 124 in unprecedented detail with its powerful infrared instruments. The star is 15 000 light-years […]