Washington D.C. [USA] | By Asian News International | Posted by Saumya Sharma
UPDATED ON AUG 20, 2020 08:48 PM IST
Fossil evidence indicates a 300,000-year decline in biodiversity leading up to the Devonian-Carboniferous mass extinction, suggesting the possibility of multiple catastrophes, maybe even multiple supernova explosions.
Hindustan Times, Mumbai | By Snehal Fernandes
UPDATED ON SEP 17, 2018 10:33 AM IST
For the first time, country’s dedicated multi-wavelength astronomy satellite, Astrosat, has captured an X-ray image of the debris of a supernova. Called SN 1572, the supernova is located 10,000 light years away