资讯

The spiral galaxy IC 758, located 60 million light-years away, experienced a supernova (SN 1999bg) in 1999, marking the end of a massive star. Hubble observations aim to estimate the progenitor's ...
The supernova SN 1999bg marked the dramatic end of a star far more massive than the Sun. Researchers do not know exactly how massive this star was before it exploded, but will use these Hubble ...
A massive supernova explosion 13,000 years ago may have triggered the Younger Dryas ice age by damaging Earth’s ozone layer with deadly ... remnant called Pa 30—the leftover remains of a supernova ...
Hidden Supernova Revealed. In 1999, astronomers discovered a powerful supernova in this galaxy—an enormous explosion marking the death of a star much more massive than our Sun. This supernova, known ...
It’s At Least 25 Times Stronger Than Any Supernova. The rare blasts outshine supernovae and reshape how we study black holes. by Tibi Puiu. June 5, 2025. in News, Space. A A. A A. Reset.
WASHINGTON — Maxar Intelligence announced an agreement with Sweden’s aerospace firm Saab to develop battlefield intelligence products that use satellite data, including Maxar’s new terrain ...
Follow-up observations of SN 2024aecx conducted one day after its detection have classified it as a Type IIb supernova. However, further investigation, performed on December 19, 2024, indicated ...
Astronomers from the Yunnan University in China and other institutions have carried out photometric and spectroscopic observations of a recently detected supernova designated SN 2024aecx. Results ...