Obsesión por el Cielo

Obsesión por el Cielo - #1,167

Noticias de Astronomía y Exploración del Espacio – ABRIL 14, 2026. En este programa presentamos, comentamos y explicamos dos o tres noticias astronómicas y de exploración del espacio que fueron dadas a conocer en la semana, y que nos parecieron de particular relevancia e interés. Además, Pablo Lonnie Pacheco, de “Cielos Despejados,” nos presenta sus efemérides astronómicas. Esta semana: + 0) JWST observa un par de discos con formación planetaria. https://www.sci.news/astronomy/webb-edge-on-views-two-planet-nurseries-14683.html [https://www.sci.news/astronomy/webb-edge-on-views-two-planet-nurseries-14683.html] https://www.esa.int/ESA_Multimedia/Images/2026/04/A_pair_of_planet-forming_discs [https://www.esa.int/ESA_Multimedia/Images/2026/04/A_pair_of_planet-forming_discs] + 1) Encuentran enormes depósitos de hidrógeno alrededor de galaxias tempranas. https://www.sci.news/astronomy/hydrogen-halos-early-universe-galaxies-14675.html [https://www.sci.news/astronomy/hydrogen-halos-early-universe-galaxies-14675.html] https://phys.org/news/2026-04-astronomers-thought-early-universe-full.html [https://phys.org/news/2026-04-astronomers-thought-early-universe-full.html] https://hetdex.org/astronomers-thought-the-early-universe-was-full-of-hydrogen-now-theyve-found-it/ [https://hetdex.org/astronomers-thought-the-early-universe-was-full-of-hydrogen-now-theyve-found-it/] https://iopscience.iop.org/article/10.3847/1538-4357/ae44f3 [https://iopscience.iop.org/article/10.3847/1538-4357/ae44f3] + 2) Encuentran par de hoyos negros supermasivos "a punto" de fusionarse. https://phys.org/news/2026-04-pair-supermassive-black-holes.html [https://phys.org/news/2026-04-pair-supermassive-black-holes.html] https://www.mpifr-bonn.mpg.de/pressreleases/2026/first-close-pair-of-supermassive-black-holes-detected [https://www.mpifr-bonn.mpg.de/pressreleases/2026/first-close-pair-of-supermassive-black-holes-detected] https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag291/8551337?login=false [https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag291/8551337?login=false]

Obsesión por el Cielo - #1,166

Noticias de Astronomía y Exploración del Espacio – ABRIL 7, 2026. En este programa presentamos, comentamos y explicamos dos o tres noticias astronómicas y de exploración del espacio que fueron dadas a conocer en la semana, y que nos parecieron de particular relevancia e interés. Además, Pablo Lonnie Pacheco, de “Cielos Despejados,” nos presenta sus efemérides astronómicas. Esta semana: + 0) Premios de Obsesión por el Cielo: Marzo 2026. Constelación: Nuevo telescopio Vera Rubin descubre 11,000 asteroides en poco tiempo. https://phys.org/news/2026-04-early-vera-rubin-observatory-reveals.html [https://phys.org/news/2026-04-early-vera-rubin-observatory-reveals.html] https://noirlab.edu/public/news/noirlab2608/?lang [https://noirlab.edu/public/news/noirlab2608/?lang] Movimiento Retrógrado: Astrónomos protestan las actividades de SpaceX. https://www.space.com/space-exploration/satellites/this-is-really-intolerable-astronomers-protest-giant-orbiting-mirror-project-and-spacexs-million-ai-satellites [https://www.space.com/space-exploration/satellites/this-is-really-intolerable-astronomers-protest-giant-orbiting-mirror-project-and-spacexs-million-ai-satellites] + 1) Discontinuidad en las masas de los hoyos negros de origen estelar. https://skyandtelescope.org/astronomy-news/black-holes/have-we-found-the-black-hole-desert/ [https://skyandtelescope.org/astronomy-news/black-holes/have-we-found-the-black-hole-desert/] https://arstechnica.com/science/2026/04/black-hole-mergers-put-limits-on-star-destroying-supernovae/ [https://arstechnica.com/science/2026/04/black-hole-mergers-put-limits-on-star-destroying-supernovae/] https://phys.org/news/2026-04-gravitational-forbidden-zone-stellar-black.html [https://phys.org/news/2026-04-gravitational-forbidden-zone-stellar-black.html] https://www.nature.com/articles/s41586-026-10359-0 [https://www.nature.com/articles/s41586-026-10359-0] https://arxiv.org/abs/2509.04151 [https://arxiv.org/abs/2509.04151] + 2A) Encuentran tercera galaxia sin materia oscura. https://phys.org/news/2026-04-astronomers-galaxy-dark-validating-violent.html [https://phys.org/news/2026-04-astronomers-galaxy-dark-validating-violent.html] https://arxiv.org/abs/2603.15860 [https://arxiv.org/abs/2603.15860] + 2B) Descubren estrella de segunda generación con menor presencia de metales. https://phys.org/news/2026-04-pristine-star-universe.html [https://phys.org/news/2026-04-pristine-star-universe.html] https://carnegiescience.edu/found-most-pristine-star-universe [https://carnegiescience.edu/found-most-pristine-star-universe] https://www.nature.com/articles/s41550-026-02816-7 [https://www.nature.com/articles/s41550-026-02816-7]

Obsesión por el Cielo - #1,165

Noticias de Astronomía y Exploración del Espacio – MARZO 31, 2026. En este programa presentamos, comentamos y explicamos dos o tres noticias astronómicas y de exploración del espacio que fueron dadas a conocer en la semana, y que nos parecieron de particular relevancia e interés. Además, Pablo Lonnie Pacheco, de “Cielos Despejados,” nos presenta sus efemérides astronómicas. Esta semana: + 0) Remanente de supernova observada por HST https://www.sci.news/astronomy/hubble-crab-nebula-14642.html [https://www.sci.news/astronomy/hubble-crab-nebula-14642.html] https://phys.org/news/2026-03-hubble-revisits-crab-nebula-track.html#goog_rewarded [https://phys.org/news/2026-03-hubble-revisits-crab-nebula-track.html#goog_rewarded] https://science.nasa.gov/missions/hubble/nasas-hubble-revisits-crab-nebula-to-track-25-years-of-expansion/ [https://science.nasa.gov/missions/hubble/nasas-hubble-revisits-crab-nebula-to-track-25-years-of-expansion/] https://iopscience.iop.org/article/10.3847/1538-4357/ae2adc [https://iopscience.iop.org/article/10.3847/1538-4357/ae2adc] + 1) Posible evidencia de hoyos negros primordiales. https://phys.org/news/2026-03-unusual-primordial-black-holes.html [https://phys.org/news/2026-03-unusual-primordial-black-holes.html] https://news.miami.edu/stories/2026/03/a-potential-discovery-from-the-dawn-of-time.html [https://news.miami.edu/stories/2026/03/a-potential-discovery-from-the-dawn-of-time.html] https://arxiv.org/abs/2602.21295 [https://arxiv.org/abs/2602.21295] + 2) Hoyos negros supermasivos consumen menos materia ahora que en el pasado. https://phys.org/news/2026-03-chandra-black-holes-growth.html [https://phys.org/news/2026-03-chandra-black-holes-growth.html] https://chandra.si.edu/press/26_releases/press_032426.html [https://chandra.si.edu/press/26_releases/press_032426.html] https://iopscience.iop.org/article/10.3847/1538-4357/ae173d [https://iopscience.iop.org/article/10.3847/1538-4357/ae173d]

Obsesión por el Cielo - #1,164

Noticias de Astronomía y Exploración del Espacio – MARZO 24, 2026. En este programa presentamos, comentamos y explicamos dos o tres noticias astronómicas y de exploración del espacio que fueron dadas a conocer en la semana, y que nos parecieron de particular relevancia e interés. Además, Pablo Lonnie Pacheco, de “Cielos Despejados,” nos presenta sus efemérides astronómicas. Esta semana: + 0A) Cometa C/2025 K1 (ATLAS) se parte en pedazos. https://www.sci.news/astronomy/hubble-breakup-comet-c-2025-k1-atlas-14632.html [https://www.sci.news/astronomy/hubble-breakup-comet-c-2025-k1-atlas-14632.html] https://phys.org/news/2026-03-nasa-hubble-unexpectedly-comet.html [https://phys.org/news/2026-03-nasa-hubble-unexpectedly-comet.html] https://science.nasa.gov/missions/hubble/nasas-hubble-unexpectedly-catches-comet-breaking-up/ [https://science.nasa.gov/missions/hubble/nasas-hubble-unexpectedly-catches-comet-breaking-up/] https://www.sciencedirect.com/science/article/abs/pii/S001910352600062X [https://www.sciencedirect.com/science/article/abs/pii/S001910352600062X] + 0B) Cometa C/2026 A1 (MAPS) rozará al Sol. https://skyandtelescope.org/astronomy-news/latest-news-on-kreutz-sungrazing-comet-c-2026-a1-maps/ [https://skyandtelescope.org/astronomy-news/latest-news-on-kreutz-sungrazing-comet-c-2026-a1-maps/] + 1) Posible nueva categoría de exoplaneta. https://skyandtelescope.org/astronomy-news/molten-sulfurous-world-blurs-exoplanet-categories/ [https://skyandtelescope.org/astronomy-news/molten-sulfurous-world-blurs-exoplanet-categories/] https://www.sci.news/astronomy/sulfur-rich-magma-super-earth-14624.html [https://www.sci.news/astronomy/sulfur-rich-magma-super-earth-14624.html] https://phys.org/news/2026-03-class-molten-planet-abundant-sulfur.html [https://phys.org/news/2026-03-class-molten-planet-abundant-sulfur.html] https://www.ox.ac.uk/news/2026-03-16-researchers-reveal-new-class-molten-planet [https://www.ox.ac.uk/news/2026-03-16-researchers-reveal-new-class-molten-planet] https://www.nature.com/articles/s41550-026-02815-8 [https://www.nature.com/articles/s41550-026-02815-8] + 2) Sistema binario de enanas café casi en contacto. https://phys.org/news/2026-03-dim-stars-brightly.html [https://phys.org/news/2026-03-dim-stars-brightly.html] https://www.caltech.edu/about/news/how-two-dim-stars-came-together-to-shine-brightly [https://www.caltech.edu/about/news/how-two-dim-stars-came-together-to-shine-brightly] https://iopscience.iop.org/article/10.3847/2041-8213/ae486e [https://iopscience.iop.org/article/10.3847/2041-8213/ae486e]

Obsesión por el Cielo - #1,163

Noticias de Astronomía y Exploración del Espacio – MARZO 17, 2026. En este programa presentamos, comentamos y explicamos dos o tres noticias astronómicas y de exploración del espacio que fueron dadas a conocer en la semana, y que nos parecieron de particular relevancia e interés. Tenemos al Dr. Gerardo Ramón Fox como invitado especial al programa. Además, Pablo Lonnie Pacheco, de “Cielos Despejados,” nos presenta sus efemérides astronómicas. Esta semana: + 0a) Comprueban alteración de la órbita heliocéntrica del asteroide Didymos por la colisión con DART. https://skyandtelescope.org/astronomy-news/asteroid-didymoss-orbit-altered-by-impact-on-its-moon/ [https://skyandtelescope.org/astronomy-news/asteroid-didymoss-orbit-altered-by-impact-on-its-moon/] https://arstechnica.com/science/2026/03/nasas-dart-mission-shifted-the-orbits-of-two-asteroids/ [https://arstechnica.com/science/2026/03/nasas-dart-mission-shifted-the-orbits-of-two-asteroids/] https://www.science.org/doi/10.1126/sciadv.aea4259 [https://www.science.org/doi/10.1126/sciadv.aea4259] + 0b) Cometa 3I/ATLAS muestra abundancia de alcohol. https://www.sci.news/astronomy/alma-3i-atlas-methanol-hydrogen-cyanide-14610.html [https://www.sci.news/astronomy/alma-3i-atlas-methanol-hydrogen-cyanide-14610.html] https://phys.org/news/2026-03-interstellar-comet-alcohol-alma-3iatlas.html [https://phys.org/news/2026-03-interstellar-comet-alcohol-alma-3iatlas.html] https://arxiv.org/abs/2511.20845 [https://arxiv.org/abs/2511.20845] + 1) Detectan restos de posible colisión de dos exoplanetas. https://www.sci.news/astronomy/catastrophic-planetary-collision-14618.html [https://www.sci.news/astronomy/catastrophic-planetary-collision-14618.html] https://phys.org/news/2026-03-astronomers-rare-evidence-planets-colliding.html [https://phys.org/news/2026-03-astronomers-rare-evidence-planets-colliding.html] https://www.washington.edu/news/2026/03/11/uw-astronomers-spot-planet-collision-evidence/ [https://www.washington.edu/news/2026/03/11/uw-astronomers-spot-planet-collision-evidence/] https://iopscience.iop.org/article/10.3847/2041-8213/ae3ddc [https://iopscience.iop.org/article/10.3847/2041-8213/ae3ddc]   + 2) La expansión del Universo parece proceder con mayor lentitud en nuestra vecindad galáctica. https://phys.org/news/2026-03-galaxy-group-motion-slower-expansion.html [https://phys.org/news/2026-03-galaxy-group-motion-slower-expansion.html] https://www.aip.de/en/news/slower-expansion-cosmic-neighborhood/ [https://www.aip.de/en/news/slower-expansion-cosmic-neighborhood/] https://www.aanda.org/articles/aa/full_html/2026/01/aa56283-25/aa56283-25.html [https://www.aanda.org/articles/aa/full_html/2026/01/aa56283-25/aa56283-25.html] https://www.aanda.org/articles/aa/full_html/2026/02/aa57876-25/aa57876-25.html [https://www.aanda.org/articles/aa/full_html/2026/02/aa57876-25/aa57876-25.html]