🚀 NASA Delays Artemis Launch

🚀 NASA Artemis rehearsal details

🌌 JWST spots ancient galaxy crash

🪐 Jupiter's mysterious cloud secrets

📡 Slow radio pulses explained

🌕 Blue Origin's moon pivot

NASA managers rescheduled the Artemis II mission’s critical wet dress rehearsal at Kennedy Space Center due to poor weather, specifically an unusual arctic outbreak affecting Florida’s launch conditions.

Teams will now target February 2 for tanking, with the simulated launch window opening at 9 p.m. EST. The countdown begins approximately 49 hours prior to this window opening.

This schedule adjustment ensures hardware capabilities are not compromised by cold temperatures and high winds, positioning the crucial test for success while the crew remains in quarantine awaiting a new timeline.

Texas A&M University astronomers analyzed data from the James Webb Space Telescope (JWST), discovering a rare, tightly packed collision of multiple galaxies in the extremely early universe.

The system, dubbed “JWST’s Quintet,” shows a merger of at least five galaxies just 800 million years post-Big Bang, forming stars at 250 solar masses per year.

This finding suggests galaxy assembly theories need updating, as complex interactions and widespread heavy element enrichment were underway far earlier than models predicted, according to researcher Dr. Casey Papovich.

University of Chicago and Jet Propulsion Laboratory (JPL) scientists developed the most detailed model of Jupiter's atmosphere to date, providing new insights into the gas giant's deep composition.

The combined hydrodynamics and chemistry model estimates the planet contains 1.5 times more oxygen than the sun and that vertical gas diffusion is 35 to 40 times slower than assumed.

This revised oxygen value helps resolve a long-standing debate, offering critical clues about where Jupiter formed in the early solar system and how planetary migration may have occurred.

Astronomers publishing in Nature Astronomy presented a new model explaining mysterious long-period radio transients, which are cosmic radio pulses that repeat over minutes or hours instead of seconds.

Their model shows GPM J1839-10, a transient with a 21-minute period, is a white dwarf and M-dwarf binary system, with data confirming a precise nine-hour orbital period.

This research suggests these objects are not neutron stars but white dwarf pulsars, providing a crucial link to explain a class of cosmic signals previously thought to defy known physics.

Blue Origin announced it is grounding its New Shepard space tourism flights for at least two years, strategically shifting company resources toward its ambitious lunar exploration and development programs.

The reusable New Shepard rocket-capsule combo, which has completed 38 total flights and carried 98 people to suborbital space, will be temporarily paused to accelerate other key projects.

This decision reflects a commitment to accelerate development of the Blue Moon lander, which holds a NASA (National Aeronautics and Space Administration) contract for the Artemis 5 moon landing mission.