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Hace 1 día · The supernova is indicated by an arrow in the upper right insert. At the imaging time, an extremely bright (full) Moon was above the horizon. We estimated SN 2023ixf as bright as mag. 16.8 (R-mags for the reference stars from the Gaia DR2 star catalogue). One year ago, SN 2023ixf was six magnitudes (that is 250 times) brighter than now.
Hace 1 día · Apr. 16, 2024 — A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light...
Hace 5 días · Wednesday, September 27, 2023. Extreme Weight Loss: Star Sheds Unexpected Amounts of Mass Just Before Going Supernova; Monday, September 25, 2023. New Insights Into the Atmosphere and Star of...
Hace 1 día · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic yarn. It lies some 70 million light-years away, south of bright star Regulus toward ...
Hace 1 día · Mainstream media reports discussed speculation that Betelgeuse might be about to explode as a supernova, but astronomers note that the supernova is expected to occur within approximately the next 100,000 years and is thus unlikely to be imminent.
Hace 2 días · GRB 191019A (2019) and GRB 230307A (2023). with around 64s and 35s respectively have been also argued to belong to this class of long GRBs from neutron star mergers. Ultra-long gamma-ray bursts. These events are at the tail end of the long GRB duration distribution, lasting more than 10,000 seconds.
Hace 22 horas · Empezó a implementarse en noviembre de 2023 y a la fecha cuatro importantes Cajas Municipales (CMAC) desembolsaron S/ 1’286,200 a través del Biocrédito. Se busca beneficiar a más de 2,200 ...
