XLSSC 122 Mystery, Starship Recovery & Japan's Phobos Mission
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XLSSC 122 Mystery, Starship Recovery & Japan's Phobos Mission
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(00:01:11) JWST Unexplained Fornax Signal
(00:01:49) SpaceX Starship Ship 40 Recovery
(00:02:38) Blue Origin New Glenn Expansion
(00:03:18) Japan MMX Phobos Mission Launch
(00:03:57) What To Watch Next
A galaxy cluster that shouldn't exist yet. A mysterious signal no one can explain. And the first intact Starship upper stage back on Earth — today's episode covers five stories at the edge of what we know.
JWST has produced a landmark result on XLSSC 122, a galaxy cluster 10.4 billion light-years away that appears far too mature for its age. By combining strong and weak gravitational lensing with intracluster light mapping, astronomers revealed a dark matter density profile that current structure-formation models struggle to explain. If more early clusters match this pattern, the cosmic timeline may need revising.
Also from JWST: a mysterious single-wavelength emission at 1.6 micrometers detected twice in the direction of Fornax, 88 days apart, with no confirmed source. Early galaxy, black hole tidal disruption, or something else entirely — nobody knows yet.
On the commercial side, SpaceX completed a 24-day recovery operation to bring Ship 40 back from the Indian Ocean — the first intact recovery of a Starship upper stage, giving engineers their first chance to physically inspect a flown heatshield and reentry-tested avionics. Blue Origin, meanwhile, announced a $330 million Florida facility expansion to target 150 New Glenn upper stages per year by mid-2027, and is seeking FAA approval for 50 launches annually from LC-36A.
Finally, Japan's MMX spacecraft is targeting October 19 for launch to Phobos, carrying a nitrogen gas sampler to collect roughly 10 grams of surface material — material that may finally answer whether Mars' moon is a captured asteroid or an impact remnant. Results expected late 2028.
This episode includes AI-generated content.
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