25-year time-lapse of Kepler’s Supernova Remnant. (Image: NASA/CXC/SAO) NASA shared a time-lapse video of Kepler's Supernova Remnant expanding. Chandra's X-ray images show intricate debris patterns ...
NASA and The Hubble Space Telescope has noticed the disappearance of the massive star N6946‑BH1 after it flared to a million ...