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supernova

Novel supernova observations grant astronomers a peek into the cosmic past

Categories Technology

Artist's illustration of filaments extending from a supernova witnessed in the year 1181.

Ancient Supernova’s ‘Dandelion Petals’ Mapped in 3D for First Time

Categories Physics & Mathematics, Space

Artist's visualization of GRB 221009A showing the narrow relativistic jets — emerging from a central black hole — that gave rise to the GRB and the expanding remains of the original star ejected via the supernova explosion. Using the James Webb Space Telescope, Northwestern University postdoctoral fellow Peter Blanchard and his team detected the supernova for the first time, confirming GRB 221009A was the result of the collapse of a massive star. The study’s co-authors also found that the event occurred in a dense star forming region of its host galaxy as depicted by the background nebula.

Unraveling the Mysteries of the Brightest Gamma-Ray Burst: A Supernova Without Heavy Elements

Categories Physics & Mathematics, Space

Fig. 1. Combination of a Hubble image of SN 1987A and the compact highly ionized argon source in Fig. 2. The faint blue source in the centre was detected by the NIRSpec instrument on JWST. Outside of this is the rest of the supernova, which contains the most mass and is expanding at thousands of kilometers every second. The inner bright "string of pearls" is gas from the star's outer layers that was ejected about 20,000 years before the explosion. The collision between the rapidly expanding supernova remnant and the ring gives rise to the heated clumps in the ring. Outside the inner ring are two outer rings, which probably arose at the same time as the inner ring was formed. The bright stars to the left and right of the inner ring are unrelated to the supernova. (Illustration: HST, JWST/NIRSpec, J. Larsson)

James Webb telescope detects neutron star in the remnant of a supernova

Categories Physics & Mathematics, Space

Nebula

NASA rocket to see sizzling edge of star-forming supernova

Categories Physics & Mathematics, Space

Many chemical elements are formed during a supernova explosion, so studying them can give scientists insight into the universe's chemical make-up.

Galactic explosion offers astrophysicists new insight into the cosmos

Categories Physics & Mathematics, Space

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