Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10623 Period Covered: 08:00 PM August 13, 2025 - 07:59 PM August 14, 2025 (DOY 226/0000z - 226/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17756 Paul Goudfrooij, Space Telescope Science Institute Quantifying the Link Between the UV Upturn in Elliptical Galaxies and Multiple Stellar Populations In Globular Clusters 17770 Daichi Hiramat ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10622 Period Covered: 08:00 PM August 12, 2025 - 07:59 PM August 13, 2025 (DOY 225/0000z - 225/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17183 Hannah Wakeford, University of Bristol Hubble Ultraviolet-optical Survey of Transiting Legacy Exoplanets (HUSTLE) treasury program 17770 Daichi Hiramatsu, Harvard University Unveiling the ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10621 Period Covered: 08:00 PM August 11, 2025 - 07:59 PM August 12, 2025 (DOY 224/0000z - 224/2359z) Program Principal Investigator Program Title Science Observations Scheduled 16747 Karl Misselt, University of Arizona FUV-Optical Spectroscopic Mapping of the PDRs in NGC7023 and The Horsehead 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasa ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10621 Period Covered: 08:00 PM August 11, 2025 - 07:59 PM August 12, 2025 (DOY 224/0000z - 224/2359z) Program Principal Investigator Program Title Science Observations Scheduled 16747 Karl Misselt, University of Arizona FUV-Optical Spectroscopic Mapping of the PDRs in NGC7023 and The Horsehead 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasa ...Continue Reading

INBOX ASTRONOMY NASA's Hubble Uncovers Rare White Dwarf Merger Remnant Release date: Wednesday, August 13, 2025 10:00:05 AM Eastern Daylight Time Forensic evidence comes from dwarf’s unusual spectrum Astronomers using the Hubble Space Telescope have found forensic evidence, in unique ultraviolet spectral "fingerprints," that a red giant star is merging with a white dwarf companion star. The clue is that the dwarf — a burned-out cinder of a collapsed Sun-like star — has had its outer hydrogen and h ...Continue Reading

INBOX ASTRONOMY Webb Narrows Atmospheric Possibilities for Earth-sized Exoplanet TRAPPIST-1 d Release date: Wednesday, August 13, 2025 10:00:00 AM Eastern Daylight Time Could planets orbiting red dwarf stars like TRAPPIST-1 be habitable? Webb scientists say the investigation is ongoing. A protective atmosphere, a friendly Sun, and lots of liquid water — Earth is a special place. Using the unprecedented capabilities of NASA’s James Webb Space Telescope, astronomers are on a mission to determine just how spec ...Continue Reading

JWST Observer Latest News Upcoming JWebbinars Help the Community Prepare for Cycle 5 The next four JWebbinars in August and September will focus on a variety of topics related to Cycle 5. View All JWST Observer News ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10620 Period Covered: 08:00 PM August 10, 2025 - 07:59 PM August 11, 2025 (DOY 223/0000z - 223/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasars 17436 Joseph Jensen, Utah Valley University An Independent High-Precision Distance Ladder for Cosmology 17455 ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10620 Period Covered: 08:00 PM August 10, 2025 - 07:59 PM August 11, 2025 (DOY 223/0000z - 223/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasars 17436 Joseph Jensen, Utah Valley University An Independent High-Precision Distance Ladder for Cosmology 17455 ...Continue Reading

INBOX ASTRONOMY NASA Roman Core Survey Will Trace Cosmic Expansion Over Time Release date: Tuesday, August 12, 2025 10:00:00 AM Eastern Daylight Time Roman’s High-Latitude Time-Domain Survey will find exploding stars that act as signposts to measure the universe’s expansion and the influence of dark energy. For thousands of years, humanity viewed the skies as unchanging, except for a few “wandering stars” (that we now know are planets). As we improved our ability to perceive the cosmos with light-gathering ...Continue Reading