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Telescopes & Observatories
JWST, Hubble, radio arrays, and sky surveys revealing the cosmos.
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VUV And mid-UV Photoabsorption Cross Sections Of Thin Films Of Glycine And Alanine: Application To Their Photochemistry In The Solar System
3+ hour, 6+ min ago (48+ words) The IAA-CSIC Severo Ochoa Advanced School "Where skies meet: multidisciplinary views of planet and exoplanet atmospheres" is designed for researchers interested in the study of planetary atmospheres both in the Solar System […]\n Save my name, email, and website in…...
Simulations Of The Evolving Ozone Layer: Implications For The Early Earth, Exoplanets, And The Search For Life
3+ hour, 1+ min ago (144+ words) The IAA-CSIC Severo Ochoa Advanced School "Where skies meet: multidisciplinary views of planet and exoplanet atmospheres" is designed for researchers interested in the study of planetary atmospheres both in the Solar System […]\n [astro-ph.EP] Over 4 billion years, Earth’s atmosphere…...
ALMA Reveals Planetary Formation Structures In Small Disks
2+ hour, 51+ min ago (751+ words) [ALMA] Thanks to the extraordinary sharpness of ALMA’s images, a research team has discovered rings, grooves, and cavities in extremely compact disks surrounding young stars. The observations show that structures associated with planet formation extend into regions comparable in size…...
A Breath Of Fresh Air: Oxygen Enhancement From Silicate Sublimation During Early Protostellar Evolution
3+ hour, 17+ min ago (328+ words) [astro-ph.SR] Recently, an analog to the t = 0 moment of our Solar System’s meteoritic record was identified for the first time around the Class I protostar HOPS-315. Crystalline silicates were found to recondense from SiO gas that cools as it…...
Ultraviolet Reflected-Light Spectroscopy of Modern Earth Analogs with Starshade Observations
3+ hour, 28+ min ago (170+ words) [astro-ph.EP] Characterizing rocky, habitable zone planets in reflected light is a key science objective for future direct imaging missions, and the ultraviolet (UV) is uniquely suited for supporting the characterization of Earth-like atmospheres. The Hartley-Huggins ozone band at 0.25 μm…...
James Webb Space Telescope Data Helps Reveal the True Shape of a Distant Exoplanet for the First Time
4+ hour, 46+ min ago (562+ words) For the first time, scientists have mapped the true shape of a distant exoplanet orbiting a star 1,000 light-years away, offering the best glimpse yet into a world far beyond our solar system. In a recent paper in Nature Astronomy, an…...
Host Stars Shape Their Planetary Systems Into Two Families
3+ hour, 24+ min ago (579+ words) The age of exoplanet science took shape with the Kepler mission, and gained more momentum with the TESS mission. The initial goal had a simple definition: use the transit method to find planets orbiting other stars. Beyond that, scientists have…...
A Scorching Alien World Is Hiding an Atmospheric Imbalance That Webb Has Finally Exposed
4+ hour, 37+ min ago (800+ words) James Webb has revealed an unexpected atmospheric distortion around a distant gas giant, exposing how powerful winds reshape alien worlds. For the first time, astronomers have measured the uneven contours of an exoplanet’s atmosphere, revealing how extreme heat and powerful…...
Scientists Detect Two Feeding Black Holes So Close Together They Are Testing Galaxy Merger Models
4+ hour, 7+ min ago (987+ words) Astronomers have identified an exceptionally close pair of feeding black holes in the early universe, revealing an unexpected difference in how they grow. Astronomers have uncovered compelling evidence of two actively feeding supermassive black holes separated by just 570 light-years in…...
Astronomers at UK university discover first ever green star in history
7+ hour ago (581+ words) WATCH: GB News' Jack Carson watches the solar eclipse live from Falmouth Astronomers at a British university have discovered the first ever credible green star on record. Researchers at the University of Warwick have recorded a unique white dwarf star,…...