This limit marks the mass at which a star can undergo a thermonuclear explosion ... wave is drawing to the close of its free expansion. This marks the beginning of a period in supernova remnant ...

The NASA/ESA Hubble Space Telescope has captured a stunning image of SN 2022aajn, a Type Ia supernova in the constellation Gemini. Located 600 million light-years away, the explosion was first ...

"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova remnant that had not been observed before." ...