Hey there! I keep thinking about how much we still don't understand out there. Every time I think we've got a handle on something, a new finding comes along and humbles me all over again. That happened at least once while making this issue.

Here's whats orbiting in today's issue:

  • 🔴 NASA cracks little red dot mystery

  • 🌑 Upper stage to hit moon in 2026

  • 🪐 Exoplanets defy formation theories

  • ⚡ LHAASO finds particle acceleration anomaly

  • ✈️ X-59 shows off test maneuvers

📸 Image of the Day

Near the outskirts of the Small Magellanic Cloud, a satellite galaxy roughly 200 000 light-years from Earth, lies the young star cluster NGC 602 | Credit: ESA/Webb, NASA & CSA, P. Zeidler, E. Sabbi, A. Nota, M. Zamani (ESA/Webb)

🔴 Chandra and Webb Team Up to Decode Little Red Dots Mystery Read More

  • Max Planck Institute astronomer Raphael Hviding led a team investigating mysterious "little red dots," compact red objects discovered by JWST (James Webb Space Telescope) that may harbor supermassive black holes embedded in dense gas.

  • The X-ray dot designated 3DHST-AEGIS-12014 lies approximately 11.8 billion light-years from Earth and uniquely emits X-ray light, unlike other little red dots observed by Chandra X-ray Observatory surveys.

  • Princeton co-author Hanpu Liu suggests this object represents the first transitional phase ever observed, potentially confirming that growing supermassive black holes power some or all little red dot populations.

🚀 Upcoming Launches

Starlink Group 10-38 | Falcon 9 Block 5 | 2026-05-01 | 13:35 EST | Cape Canaveral SFS, FL, USA

🌑 Rocket Upper Stage Will Impact Moon on August 5 2026 Read More

  • Astronomer Bill Gray at Project Pluto identified Falcon 9 upper stage 2025-010D, debris from the January 2025 Blue Ghost and Hakuto-R lunar lander mission, as heading toward lunar impact.

  • The stage will strike near crater Einstein at lunar coordinates 15°N latitude, 88°W longitude on August 5, 2026 at approximately 06:44 UTC, traveling at 2.43 kilometers per second.

  • Gray notes this impact highlights growing concerns about space debris disposal, though NASA's Lunar Reconnaissance Orbiter will likely image the resulting crater estimated at roughly 16-18 meters diameter.

🪐 Most Common Planets Don't Orbit Most Common Stars Study Finds Read More

  • McMaster University PhD student Erik Gillis and supervisor Ryan Cloutier analyzed exoplanets orbiting mid-to-late M dwarfs, small stars comprising eight to forty percent of our Sun's mass that dominate the Milky Way.

  • Using NASA's TESS (Transiting Exoplanet Survey Satellite) data spanning 26-month sky surveys, researchers found these stars host abundant super-Earths but virtually no sub-Neptune planets exist around them.

  • Gillis suggests this unexpected absence challenges photoevaporation theories, indicating planet formation around M dwarfs may favor water-rich worlds rather than gas-shrouded sub-Neptunes as previously assumed.

📅 Today in Space History

On May 1, 1961, Alan Shepard became the first American to travel into space aboard the Freedom 7 spacecraft. Although it was a suborbital flight, Shepard's ability to manually control his spacecraft was a key difference from the earlier Soviet mission, demonstrating the capability of human pilots to control their vehicles in space.

⚡ Scientists Detect Record Gamma Rays From Pulsar Wind Nebula Read More

  • Nanjing University's Professor Liu Ruoyu and Chinese Academy of Sciences collaborators discovered record-breaking gamma-ray emissions from pulsar wind nebula PSR J1849-0001, located in the constellation Aquila and now nicknamed "Aquila Booster."

  • LHAASO (Large High Altitude Air Shower Observatory) detected gamma rays extending to 2 PeV with 27 percent acceleration efficiency, exceeding the Crab Nebula's 16 percent and approaching theoretical magnetohydrodynamic limits.

  • The Nature Astronomy study challenges standard termination-shock acceleration models, since observed particle energies would require physically impossible efficiencies exceeding 100 percent under conventional pulsar wind nebula theory.

✈️ NASA Pushes X-59 Higher and Faster in New Flight Tests Read More

  • NASA's Quesst mission team is conducting envelope expansion flight tests of the X-59 experimental supersonic aircraft, systematically pushing the jet to higher altitudes and faster speeds at Armstrong Flight Research Center.

  • Engineers analyze structural dynamics, flight loads, and control system performance data collected during specific pilot maneuvers, validating the aircraft's sonic boom reduction technology design throughout each test block.

  • NASA plans community overflights to gather human response surveys on quieter sonic thumps, with data informing U.S. and international regulators considering new rules permitting commercial supersonic flight over land.

❓ Question of the Day

If you could visit any planet in our solar system, which one?

Send us a reply with your answer!

If you have thoughts, questions, or just want to say hi, my inbox is always open. Thanks for reading.

Clear skies ahead,
— Zapp

P.S. Make sure you sync the 2026 RISE Space Calendar!