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Space

🚀 Space Pulse · 2026-10-01 22:01 UTC

SPACE PULSE

Thursday, October 1, 2026 — Evening Edition

⚡ TL;DR

NASA's SpaceX Crew-13 lifted off today, delivering four astronauts to the ISS, while Webb delivers new science on planetary collisions — a day of human spaceflight and deep-universe discovery firing on all cylinders. [1] [2]

Launches, mission milestones, fresh solar-wind alerts, and a flood of arXiv papers make this one of the busier space days of the month. [3] [4] [5]

🚀 LAUNCHES

TRANSPORTER 18 — ALREADY FLOWN

  • SpaceX Falcon 9 Block 5 successfully delivered dozens of microsatellites and nanosatellites to sun-synchronous orbit today at 18:32 UTC on the dedicated Transporter 18 rideshare mission. [3]

CREW-13 — ALREADY FLOWN

  • Four NASA astronauts launched aboard SpaceX Dragon at 11:10 a.m. EDT (15:10 UTC) from Space Launch Complex 40, Cape Canaveral, bound for the International Space Station. [1]

UPCOMING — LONG MARCH 12

  • China Aerospace Science and Technology Corporation is Go for Launch with an unspecified payload on Long March 12, currently targeting October 9 at 19:25 UTC. [6]

UPCOMING — STARLINK GROUP 15-25

  • SpaceX is Go for Launch on a Falcon 9 carrying 27 Starlink satellites, targeting October 10 at 16:00 UTC. [7]

UPCOMING — JAXA MMX

  • Mitsubishi Heavy Industries H3-24 carrying JAXA's Martian Moon eXplorer (MMX) is Go for Launch on October 19 at 19:41 UTC; MMX will land on Phobos, collect samples, and carry a French-German rover. [8]

UPCOMING — DRAGON CRS-2 SPX-35

  • SpaceX Falcon 9 carrying Cargo Dragon 2 on NASA's 35th commercial resupply mission to the ISS is scheduled for no earlier than October 31. [9]

UPCOMING — BANDWAGON 5

  • SpaceX Falcon 9 dedicated mid-inclination rideshare for microsatellites and nanosatellites is also targeting no earlier than October 31. [10]

🔭 DISCOVERIES

WEBB WATCHES WORLDS COLLIDE

  • NASA's James Webb Space Telescope has released new findings on planet-shattering collisions, directly informing theories about how Moon-forming impacts like the ancient Theia-Earth strike shaped planetary systems. [2]

TRAPPIST-1c ATMOSPHERE SEARCH

  • A new study using four JWST NIRSpec PRISM transits of TRAPPIST-1c developed a framework for detecting rocky-planet atmospheres even when stellar contamination from the late M-dwarf host dominates over photon noise.

LHS 3844b SURFACE COMPOSITION

  • Improved mid-infrared spectral analysis of the close-in rocky world LHS 3844 b places tighter constraints on its bare-rock surface composition and geology, consistent with the planet having essentially no atmosphere.

LYMAN-ALPHA FOREST FOUND AT z~7.57

  • Researchers report detection of the Lyman-alpha forest in a star-forming galaxy at redshift approximately 7.57, providing rare direct insight into the timing and topology of cosmic reionization.

JWST PROBES REIONIZATION BUBBLE SIZES

  • Measurements of the fraction of UV-selected galaxies showing Lyman-alpha emission at z~6-14 from JWST are being used to map the sizes of ionized bubbles in the early universe's neutral hydrogen.

SPHEREx MAPS COSMIC DUST ACROSS FULL SKY

  • A full-sky SPHEREx map of integrated 3.3 and 3.4 micron polycyclic aromatic hydrocarbon (PAH) emission has been produced, tracing carbonaceous dust grains and radiation fields across the interstellar medium.

SUPERFLARE RADIO BURST ON EQ PEG

  • Combining FAST radio telescope and TESS photometry, astronomers detected finely structured decimetric radio bursts during a superflare on the active M-dwarf EQ Pegasi, raising new questions about flare triggering.

ROSETTE NEBULA STAR FORMATION MAPPED

  • Deep stacked Spitzer IRAC imaging of the Rosette Nebula has produced a catalogue of roughly 20,000 young stellar objects, providing the most detailed map yet of star formation across the region.

🛰️ MISSIONS

ESA SEPTEMBER ROUNDUP

  • ESA's September highlights include: FLEX launched on Vega-C alongside Sentinel-3C; astronaut Sophie Adenot completed her third and final spacewalk as EV-1; and BepiColombo separated from its Mercury Transfer Module, advancing toward Mercury orbit insertion.

EARTHCARE TRACKS VOLCANIC ASH

  • ESA's EarthCARE satellite captured detailed vertical profiles of the volcanic plume from a recent Anak Krakatau eruption, demonstrating a real-time air-safety application beyond the satellite's primary climate-science mission.

CURIOSITY FINDS NEW ROCK TEXTURES

  • During sols 5016-5021 (Earth planning date September 18, 2026), NASA's Curiosity rover encountered an unexpected change in rock texture in the sulfate unit, prompting new mineralogical analysis at Gale Crater.

LUNAR INFRASTRUCTURE PUSH

  • NASA selected three new scientific payload suites for Moon Base under the Payloads and Research Investigations on the Surface of the Moon (PRISM) program, targeting humanity's first lunar outpost.
  • NASA awarded Modulate Space Corporation a contract to develop a 5G and Wi-Fi 6 communications system for use on the lunar surface, managed through Glenn Research Center.
  • NASA, CSA, and the German Aerospace Center DLR signed a joint statement of intent to develop an Earth-based demonstrator for growing crops on the Moon.

XRISM RESOLVES NEUTRON STAR SPECTRUM

  • JAXA's XRISM Resolve micro-calorimeter has produced the first high-resolution X-ray spectroscopic study of GX 5-1, one of the Galaxy's brightest neutron-star low-mass X-ray binaries accreting near the Eddington limit.

JAXA GHG CENTER ANNOUNCED

  • JAXA announced plans to establish a Japan Greenhouse Gas Center as a hub for GHG information and interagency scientific collaboration to support decarbonization efforts.

☀️ SPACE WEATHER

G1 WATCH IN EFFECT — ACT NOW IF SENSITIVE

  • NOAA issued a Geomagnetic Storm Watch today at 14:28 UTC predicting G1 (Minor) storm conditions on October 2 and again on October 4; satellite operators and high-frequency radio users at high latitudes should take note. [4]

ELEVATED ELECTRON FLUX ONGOING

  • A Continued Alert for 2 MeV electron integral flux exceeding 1,000 pfu has been in effect since September 30 at 09:45 UTC; yesterday's peak reached 3,120 pfu at 14:35 UTC on September 30. [5]

PRIOR CONTEXT — ELEVATED PARTICLE ENVIRONMENT

  • The current elevated environment follows a multi-day electron flux event that began September 10, with a peak of 7,008 pfu recorded on September 11; conditions have been persistently elevated for weeks.

📄 RESEARCH

MADGRAV: DEEP LEARNING HUNTS GRAVITATIONAL WAVES

  • The MADGRAV pipeline applies deep-learning anomaly detection to LIGO data from the third observing run and both parts of the fourth, searching for high-mass compact binary coalescence signals that standard matched-filter searches might miss.

DESI DATA CHALLENGES STANDARD COSMOLOGY — TWO INTERPRETATIONS

  • New analysis shows that combined DESI DR2 BAO and CMB data mildly favor departures from Lambda-CDM; a one-parameter "cosmic glitch in gravity" model fits the data as well as the more commonly discussed two-parameter dynamical dark energy scenario.
  • Separately, DESI DR2 BAO results sharpen a tension with CMB polarization inferences of the reionization optical depth, with one study proposing that decaying dark matter could raise the optical depth from the CMB-inferred 0.06 to the DESI-preferred ~0.09.

LZ DARK MATTER CANDIDATE EVENT ANALYZED

  • Theorists are interpreting a nuclear-recoil candidate at approximately 248 keV reported by the LUX-ZEPLIN experiment in terms of supersymmetric neutralinos, examining both bino-like and singlino-like elastic and inelastic scattering scenarios.

NEUTRON STAR MASS-RADIUS REFINED

  • A joint analysis of PSR J0740+6620 connects X-ray hotspot observations directly to the pulsar's magnetospheric structure, simultaneously inferring mass, radius, and magnetic geometry in a single coherent Bayesian framework.

HSC YEAR 1 WEAK LENSING RESULT — LSST PATHFINDER

  • The first fully photometric joint weak-lensing and galaxy-clustering (3x2pt) analysis in harmonic space using Hyper Suprime-Cam Year 1 data has been completed with LSST-DESC pipelines, serving as a direct precursor validation for the upcoming Rubin Observatory survey.

TITAN CRYOLAVA FLOWS MODELED

  • New fluid-dynamics modeling of cryolava or impact-melt flows on Titan's young surface (less than one billion years old) explores how liquid water pockets may interact with the moon's abundant organic chemistry — directly relevant to Dragonfly mission science.

📎 Sources

  1. NASA’s SpaceX Crew-13 Launches to International Space Station — NASA News Releases
  2. NASA’s Webb Provides Crash Course on Planet-Shattering Collisions — NASA News Releases
  3. Falcon 9 Block 5 | Transporter 18 (Dedicated SSO Rideshare) — Launch Library 2
  4. Space Weather Message Code: WATA20 — NOAA SWPC Alerts
  5. Space Weather Message Code: ALTEF3 — NOAA SWPC Alerts
  6. Long March 12 | Unknown Payload — Launch Library 2
  7. Falcon 9 Block 5 | Starlink Group 15-25 — Launch Library 2
  8. H3-24 | Martian Moon eXplorer (MMX) — Launch Library 2
  9. Falcon 9 Block 5 | Dragon CRS-2 SpX-35 — Launch Library 2
  10. Falcon 9 Block 5 | Bandwagon 5 (Dedicated Mid-Inclination Ride… — Launch Library 2

Curated from official sources — NASA/ESA/JAXA/ESO/NOAA/arXiv/Launch Library. Informational only.
Serial 20261001-22-v97 · 2026-10-01 22:01 UTC · pulse.uzylab.com

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