ESOcast is a video podcast series dedicated to bringing you the latest news and research from ESO, the European Southern Observatory. Here we explore the Universe's ultimate frontier.
Clearest image ever of Betelgeuse’s companion | ESO News
Astronomers have finally obtained firm evidence that Betelgeuse, a famous star in the Orion constellation, is not alone. Using ESO’s Very Large Telescope (VLT) they have obtained the clearest image ever of what likely is Betelgeuse B, a star orbiting Betelgeuse and which could explain some of its brightness variations. This video summarises the discovery.
22 Jul 2026
New 'exomoon' detection challenges cosmic labels | ESO News
Using ESO's Very Large Telescope (VLT), astronomers have found an object in another planetary system that challenges astronomical labels. The object resembles a moon in that it orbits another object which in turn orbits a star. But the newly found ‘moon’ is itself as massive as a planet, and the object it orbits is neither a planet nor a star. This video summarises the discovery.
15 Jul 2026
New exoplanet had been hiding for more than 10 years | ESO News
Astronomers have discovered a third planet orbiting the star Beta Pictoris using ESO’s Very Large Telescope (VLT). The new planet, Beta Pictoris d, is among the lightest exoplanets ever to be imaged from the ground. After the initial discovery, the team found it had been hiding in archive observations spanning more than a decade. This video summarises the study.
Reach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
YouTube views
59,929,347
Score snapshot 15 Sept 2025
Apple Podcasts (US)
5.0 / 5
12 ratings
Podcast Authority Score: 40 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
10
Social presence
0
YouTube
93
Engagement
85
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