Coronal explosion Current Affairs, GK & News

“Coronal holes” Phenomenon on the Sun

An image of coronal holes was shared by NASA recently. What are coronal holes? Coronal holes are regions on the Sun’s surface where the fast solar winds are spurted out into the outer space. Since they have little solar material, they have lower temperature. Therefore, they appear much darker than their surrounding regions. In these ..

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Astrosat, Chandra and Hubble jointly detect massive cosmic explosion on Proxima Centauri

India’s first dedicated space observatory AstroSat along with other space and earth-based observatories have detected a massive coronal explosion on Proxima Centauri, sun’s closest star neighbour. The explosion was detected as part of joint multi-wavelength simultaneous observational campaign undertaken by three space-based observatories, Astrosat, Chandra and Hubble Space Telescope and the ground-based High Accuracy Radial ..

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