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Friday, November 12, 2021

NASA Shows How Remnants of a Supernova Look Like

In a binary system a white dwarf gravitational pulls matter from its companion and then explodes.

from NDTV Gadgets - Latest https://ift.tt/3omKwHD

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Russian Cosmonauts Install Semiconductor Experiment During ISS Spacewalk

Two Russian cosmonauts, Sergey Ryzhikov and Alexey Zubritsky, carried out a six-hour spacewalk outside the ISS on Oct. 16, 2025. They instal...