INBOX ASTRONOMY NASA's Webb Explores Largest Star-Forming Cloud in Milky Way Release date: Wednesday, September 24, 2025 10:00:00 AM Eastern Daylight Time The galactic center is packed with star-making material — why isn’t it producing more stars? Webb could reveal long-sought answers. Sagittarius B2 is the Milky Way galaxy’s most massive and active star forming cloud, producing half of the stars created in the galactic center region despite having only 10 percent of the area’s star-making material. NASA’s ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10662 Period Covered: 08:00 PM September 21, 2025 - 07:59 PM September 22, 2025 (DOY 265/0000z - 265/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17307 Kim-Vy Tran, Harvard University A Legacy Library of 500 Strong Gravitational Lenses 17474 Justin Pierel, Space Telescope Science Institute Pioneering Precision: Advancing Cosmology w ...Continue Reading

JWST Observer Latest News JWST 2025 Summer School Materials Are Now Available Access all of the materials covered during the JWST Summer School in August. 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 #10661 Period Covered: 08:00 PM September 20, 2025 - 07:59 PM September 21, 2025 (DOY 264/0000z - 264/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17307 Kim-Vy Tran, Harvard University A Legacy Library of 500 Strong Gravitational Lenses 17455 Yue Shen, University of Illinois at Urbana - Champaign A Snapshot Survey of Sub-arcsec Dual ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10660 Period Covered: 08:00 PM September 19, 2025 - 07:59 PM September 20, 2025 (DOY 263/0000z - 263/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17455 Yue Shen, University of Illinois at Urbana - Champaign A Snapshot Survey of Sub-arcsec Dual Quasars and Lenses at z>2 17700 Christopher Johns-Krull, Rice University Separating Acc ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10659 Period Covered: 08:00 PM September 18, 2025 - 07:59 PM September 19, 2025 (DOY 262/0000z - 262/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasars 17310 Michael Koss, Eureka Scientific Inc. A Blue Gap Survey of Nearby Active Galaxies 17734 Bart Wakk ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10659 Period Covered: 08:00 PM September 18, 2025 - 07:59 PM September 19, 2025 (DOY 262/0000z - 262/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17308 Cameron Lemon, Stockholm University An HST Gap Program for lensed Quasars 17310 Michael Koss, Eureka Scientific Inc. A Blue Gap Survey of Nearby Active Galaxies 17734 Bart Wakk ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10658 Period Covered: 08:00 PM September 17, 2025 - 07:59 PM September 18, 2025 (DOY 261/0000z - 261/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17520 Louise Breuval, Space Telescope Science Institute - ESA A 1% cross-calibration of Cepheids, TRGB, and JAGB in five nearby galaxies with HST 17696 Kevin France, University of Colorado at ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10657 Period Covered: 08:00 PM September 16, 2025 - 07:59 PM September 17, 2025 (DOY 260/0000z - 260/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17460 Antonija Oklopcic, Universiteit van Amsterdam Heavy metals escaping from a hot Neptune 17703 Annalisa De Cia, European Southern Observatory - Germany STIS-ISM: STIS ISM Survey in the ...Continue Reading

Earlier reports Convert Day of Year The Hubble Space Telescope Unlocking the Secrets of the Universe Daily Report #10657 Period Covered: 08:00 PM September 16, 2025 - 07:59 PM September 17, 2025 (DOY 260/0000z - 260/2359z) Program Principal Investigator Program Title Science Observations Scheduled 17460 Antonija Oklopcic, Universiteit van Amsterdam Heavy metals escaping from a hot Neptune 17703 Annalisa De Cia, European Southern Observatory - Germany STIS-ISM: STIS ISM Survey in the ...Continue Reading