Astrometry for Earth-sized Exoplanets and Dark Matter

What this episode covers

A new proposal could supercharge NASA’s future Habitable Worlds Observatory (HWO) with an ultra-precise astrometer capable of detecting the tiny “wobbles” of nearby stars caused by Earth-sized exoplanets.This upgrade could greatly expand the hunt for habitable worlds and even help test theories about dark matter distribution in galaxies — all before the HWO’s expected launch in the 2040s.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

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Frequently Asked Questions

How long is this episode of Bedtime Astronomy?

This episode is 32 minutes long.

When was this Bedtime Astronomy episode published?

This episode was published on November 5, 2025.

What is this episode about?

A new proposal could supercharge NASA’s future Habitable Worlds Observatory (HWO) with an ultra-precise astrometer capable of detecting the tiny “wobbles” of nearby stars caused by Earth-sized exoplanets.This upgrade could greatly expand the hunt...

Is there a transcript available for this episode?

Yes, a full transcript is available for this episode. You can read the complete transcript on the episode page.

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