Space & Astronomy: Daily News · 23 May 2026 · 5 min

JWST Weather Maps, TOI-199b & Starship V3's Uneven Debut

JWST has decoded daily weather cycles on a planet 690 light-years away, while Starship V3's maiden flight succeeded — with engine failures that raise serious questions. Five stories shaping space science this week.

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JWST Weather Maps, TOI-199b & Starship V3's Uneven Debut

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JWST Daily Weather on WASP-94Ab

Astronomers have just done something that would have seemed impossible a decade ago. They've tracked the daily weather cycle on a planet six hundred and ninety light-years away.

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TOI-199b Temperate Gas Giant

A separate JWST finding this week fills in a gap that planetary scientists have long flagged. Most exoplanets we study in detail are either scorching hot Jupiters or frozen outer-system giants.

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Starship V3 Mixed Debut Flight

On the Starship side, the picture is more complicated. SpaceX's upgraded Starship V3 completed its maiden flight on Friday after a scrub the day before.

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Engine Failures Raise Reliability Questions

Here's the catch. The engines didn't perform cleanly.

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SpaceX IPO Amid Test Pressure

The timing adds another layer. SpaceX is preparing for what would be a record-breaking IPO, with filings disclosing ninety million dollar Starship pricing and projected twenty twenty-five losses approaching five billion dollars.

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