Escuchar Obsesión por el Cielo

Noticias de Astronomía y Exploración del Espacio – Abril 15, 2025. 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) Imagen de la poco-observada nebulosa planetaria Kohoutek 4-55 por el HST. https://phys.org/news/2025-04-hubble-captures-star-swan-song.html [https://phys.org/news/2025-04-hubble-captures-star-swan-song.html] https://www.sci.news/astronomy/hubble-little-known-planetary-nebula-13803.html [https://www.sci.news/astronomy/hubble-little-known-planetary-nebula-13803.html] + 1) Nueva consideración sobre la formación de estrellas en el Universo. https://phys.org/news/2025-04-astronomy-professor-theory-universe-star.html [https://phys.org/news/2025-04-astronomy-professor-theory-universe-star.html] https://showme.missouri.edu/2025/mizzou-researcher-offers-new-theory-on-universes-star-formation/ [https://showme.missouri.edu/2025/mizzou-researcher-offers-new-theory-on-universes-star-formation/] https://iopscience.iop.org/article/10.3847/1538-4357/adb95b [https://iopscience.iop.org/article/10.3847/1538-4357/adb95b] + 2) ¿Existen los halos de materia oscura sin galaxias de materia normal? https://www.sci.news/astronomy/galaxy-free-dark-matter-halos-13812.html [https://www.sci.news/astronomy/galaxy-free-dark-matter-halos-13812.html] https://www.sciencedaily.com/releases/2025/04/250408121703.htm [https://www.sciencedaily.com/releases/2025/04/250408121703.htm] https://today.ucsd.edu/story/dark-dark-matter-halos [https://today.ucsd.edu/story/dark-dark-matter-halos] https://iopscience.iop.org/article/10.3847/2041-8213/adbc6e [https://iopscience.iop.org/article/10.3847/2041-8213/adbc6e]

Noticias de Astronomía y Exploración del Espacio – Abril 8, 2025. 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) Peculiar Anillo de Einstein observado por el JWST https://www.sci.news/astronomy/webb-einstein-ring-13794.html [https://www.sci.news/astronomy/webb-einstein-ring-13794.html] https://phys.org/news/2025-04-einstein-webb.html [https://phys.org/news/2025-04-einstein-webb.html] + 0B) Actualización del asteroide 2024 YR4. Observaciones del JWST. https://webbtelescope.org/contents/early-highlights/nasas-webb-finds-asteroid-2024-yr4-is-building-sized [https://webbtelescope.org/contents/early-highlights/nasas-webb-finds-asteroid-2024-yr4-is-building-sized] https://iopscience.iop.org/article/10.3847/2515-5172/adc6f0 [https://iopscience.iop.org/article/10.3847/2515-5172/adc6f0] + 1) El hoyo negro supermasivo de nuestra galaxia pudo haber tenido un compañero. https://aasnova.org/2025/03/28/our-galaxys-supermassive-black-hole-may-have-had-a-companion-in-the-past/ [https://aasnova.org/2025/03/28/our-galaxys-supermassive-black-hole-may-have-had-a-companion-in-the-past/] https://kiaa.pku.edu.cn/info/1031/10024.htm [https://kiaa.pku.edu.cn/info/1031/10024.htm] https://iopscience.iop.org/article/10.3847/2041-8213/adbbf2 [https://iopscience.iop.org/article/10.3847/2041-8213/adbbf2] + 2) Observando variabilidad en el hoyo negro supermasivo de la Galaxia de Andrómeda. https://phys.org/news/2025-04-black-hole-variability-supermassive-andromeda.html [https://phys.org/news/2025-04-black-hole-variability-supermassive-andromeda.html] https://msutoday.msu.edu/news/2025/when-a-black-hole-winks-at-you [https://msutoday.msu.edu/news/2025/when-a-black-hole-winks-at-you] https://iopscience.iop.org/article/10.3847/1538-4357/adb1d5 [https://iopscience.iop.org/article/10.3847/1538-4357/adb1d5]

Noticias de Astronomía y Exploración del Espacio – Abril 1, 2025. 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 2025. Constelación: La estrategia de comercialización de lanzamientos de la ESA. https://arstechnica.com/space/2025/03/esa-finally-has-a-commercial-launch-strategy-but-will-member-states-pay/ [https://arstechnica.com/space/2025/03/esa-finally-has-a-commercial-launch-strategy-but-will-member-states-pay/] Movimiento Retrógrado: Pierden contacto con la nave espacial Odín con destino a un asteroide + Falla de la segunda misión de Intuitive Machines a la Luna. https://www.space.com/space-exploration/private-spaceflight/i-think-we-all-know-that-hope-is-fading-private-odin-asteroid-probe-is-tumbling-in-space [https://www.space.com/space-exploration/private-spaceflight/i-think-we-all-know-that-hope-is-fading-private-odin-asteroid-probe-is-tumbling-in-space] https://www.theguardian.com/science/2025/mar/07/athena-spacecraft-mission-dead [https://www.theguardian.com/science/2025/mar/07/athena-spacecraft-mission-dead] + 1) Localizan principio de la era del Universo cuando la luz comenzaba a viajar libremente. https://skyandtelescope.org/astronomy-news/eary-cosmic-fog-lifted-earlier-than-expected/ [https://skyandtelescope.org/astronomy-news/eary-cosmic-fog-lifted-earlier-than-expected/] https://phys.org/news/2025-03-webb-telescope-galaxy-mysteriously-fog.html [https://phys.org/news/2025-03-webb-telescope-galaxy-mysteriously-fog.html] https://webbtelescope.org/contents/news-releases/2025/news-2025-116 [https://webbtelescope.org/contents/news-releases/2025/news-2025-116] https://www.nature.com/articles/s41586-025-08779-5 [https://www.nature.com/articles/s41586-025-08779-5] + 2) Los discos protoplanetarios aparentan ser más pequeños de lo esperado. https://skyandtelescope.org/astronomy-news/tiny-disks-shed-light-on-super-earth-origins/ [https://skyandtelescope.org/astronomy-news/tiny-disks-shed-light-on-super-earth-origins/] https://phys.org/news/2025-03-protoplanetary-disks-smaller-previously-thought.html [https://phys.org/news/2025-03-protoplanetary-disks-smaller-previously-thought.html] https://www.astronomie.nl/nieuws/en/protoplanetary-discs-are-much-smaller-than-previously-thought-4477 [https://www.astronomie.nl/nieuws/en/protoplanetary-discs-are-much-smaller-than-previously-thought-4477] https://arxiv.org/abs/2503.19504 [https://arxiv.org/abs/2503.19504]

Noticias de Astronomía y Exploración del Espacio – Marzo 25, 2025. 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) Imágenes directas de exoplanetas por JWST. https://www.sci.news/astronomy/webb-images-hr-8799-51-eridani-exoplanets-13754.html [https://www.sci.news/astronomy/webb-images-hr-8799-51-eridani-exoplanets-13754.html] https://www.sciencedaily.com/releases/2025/03/250317163631.htm [https://www.sciencedaily.com/releases/2025/03/250317163631.htm] https://iopscience.iop.org/article/10.3847/1538-3881/adb1c6 [https://iopscience.iop.org/article/10.3847/1538-3881/adb1c6] + 1) Posible evolución de la energía oscura con el tiempo. https://www.sci.news/astronomy/evolving-dark-energy-13764.html [https://www.sci.news/astronomy/evolving-dark-energy-13764.html] https://www.sci.news/astronomy/dark-energy-survey-evolving-dark-energy-13765.html [https://www.sci.news/astronomy/dark-energy-survey-evolving-dark-energy-13765.html] https://phys.org/news/2025-03-dark-energy-science-great-mysteries.html [https://phys.org/news/2025-03-dark-energy-science-great-mysteries.html] https://phys.org/news/2025-03-latest-dark-energy-survey-variations.html [https://phys.org/news/2025-03-latest-dark-energy-survey-variations.html] https://phys.org/news/2025-03-dark-energy-rattling-view-universe.html [https://phys.org/news/2025-03-dark-energy-rattling-view-universe.html] https://noirlab.edu/public/news/noirlab2512/ [https://noirlab.edu/public/news/noirlab2512/] https://noirlab.edu/public/news/noirlab2513/ [https://noirlab.edu/public/news/noirlab2513/] https://arxiv.org/abs/2503.06712 [https://arxiv.org/abs/2503.06712] https://data.desi.lbl.gov/doc/papers/ [https://data.desi.lbl.gov/doc/papers/] + 2) ALMA descubre oxígeno en una galaxia muy temprana. https://phys.org/news/2025-03-oxygen-distant-galaxy.html [https://phys.org/news/2025-03-oxygen-distant-galaxy.html] https://www.sciencedaily.com/releases/2025/03/250320145026.htm [https://www.sciencedaily.com/releases/2025/03/250320145026.htm] https://www.sci.news/astronomy/alma-oxygen-farthest-known-galaxy-13766.html [https://www.sci.news/astronomy/alma-oxygen-farthest-known-galaxy-13766.html] https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202452451 [https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202452451] https://arxiv.org/abs/2409.20549 [https://arxiv.org/abs/2409.20549]

Noticias de Astronomía y Exploración del Espacio – Marzo 18, 2025. 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) Eclipse total de sol observado desde la Luna. Eclipse lunar total observado desde la Tierra. https://skyandtelescope.org/astronomy-news/a-total-solar-eclipse-from-the-moon/ [https://skyandtelescope.org/astronomy-news/a-total-solar-eclipse-from-the-moon/] https://skyandtelescope.org/astronomy-news/catch-a-spectacular-total-lunar-eclipse-on-march-13-14/ [https://skyandtelescope.org/astronomy-news/catch-a-spectacular-total-lunar-eclipse-on-march-13-14/] + 1) Cuatro exoplanetas alrededor de la Estrella de Barnard. https://skyandtelescope.org/astronomy-news/confirmed-at-last-barnards-star-hosts-four-tiny-planets/ [https://skyandtelescope.org/astronomy-news/confirmed-at-last-barnards-star-hosts-four-tiny-planets/] https://www.sci.news/astronomy/four-sub-earth-exoplanets-barnards-star-13740.html [https://www.sci.news/astronomy/four-sub-earth-exoplanets-barnards-star-13740.html] https://www.sciencedaily.com/releases/2025/03/250311154117.htm [https://www.sciencedaily.com/releases/2025/03/250311154117.htm] https://phys.org/news/2025-03-tiny-planets-orbiting-nearest-stars.html [https://phys.org/news/2025-03-tiny-planets-orbiting-nearest-stars.html] https://noirlab.edu/public/news/noirlab2510/?lang [https://noirlab.edu/public/news/noirlab2510/?lang] https://iopscience.iop.org/article/10.3847/2041-8213/adb8d5 [https://iopscience.iop.org/article/10.3847/2041-8213/adb8d5] + 2) Supernovas causaron por lo menos dos extinciones en la Tierra. https://phys.org/news/2025-03-violent-supernovae-triggered-earth-extinctions.html [https://phys.org/news/2025-03-violent-supernovae-triggered-earth-extinctions.html] https://www.sci.news/astronomy/nearby-supernova-explosions-mass-extinctions-13746.html [https://www.sci.news/astronomy/nearby-supernova-explosions-mass-extinctions-13746.html] https://arxiv.org/abs/2503.08286 [https://arxiv.org/abs/2503.08286]