Space & Astronomy: Daily News · 7 Sep 2026 · 4 min

Epsilon Indi Ab's Ice Clouds, Saturn's Mystery Decagon & Europe's Orbital First

JWST catches water-ice clouds where ammonia was expected on the nearest cold Jupiter analog, while Hubble spots an unprecedented ten-sided jet at Saturn's south pole. Plus: German startup Isar Aerospace becomes the first commercial company to reach orbit from continental Europe.

Space & Astronomy: Daily News
Now Playing
Epsilon Indi Ab's Ice Clouds, Saturn's Mystery Decagon & Europe's Orbital First

Audio is available on Spreaker — see link below.

What's covered

JWST Ice Clouds on Alien Jupiter

JWST has detected water-ice clouds on a distant Jupiter-like planet, and the finding doesn't match what the models predicted. That gap is the story.

Listen now →

Saturn's Southern Decagon

The other major atmospheric finding this cycle comes from a planet much closer to home. Hubble has identified a ten-sided jet pattern at Saturn's south pole, a feature nobody had seen before in that hemisphere.

Listen now →

Isar Aerospace's Orbital Milestone

Away from atmospheric science, European commercial spaceflight passed a threshold this week. German startup Isar Aerospace successfully launched its Spectrum rocket to orbit from Arctic Norway, placing five satellites.

Listen now →

What This Briefing Signals

Three developments. One thread connecting them.

Listen now →

Chapter summary auto-generated from the verified script. Listen to the full episode for the complete content.

More episodes

From Space & Astronomy: Daily News