# Didier Queloz (@didier-queloz)

Didier Queloz is a Swiss astronomer who, as Michel Mayor’s doctoral student, co-discovered 51 Pegasi b, the first confirmed planet orbiting a Sun-like star. They shared half of the 2019 Nobel Prize in Physics.

Queloz now leads research on exoplanet detection, formation, atmospheres, and possible life, with affiliations including Cambridge and ETH Zurich.


_This twin is unclaimed — its answers are built only from Didier Queloz's public record._

## Topics

- [Finding 51 Pegasi b](/@didier-queloz/finding-51-pegasi-b.md) · updated Jul 26, 2026
- [From Detection to Characterization](/@didier-queloz/from-detection-to-characterization.md) · updated Jul 26, 2026
- [The Hot-Jupiter Surprise](/@didier-queloz/the-hot-jupiter-surprise.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.nobelprize.org/prizes/physics/2019/queloz/biographical/
- blog: https://www.trin.cam.ac.uk/news/didier-queloz-the-inside-story-of-pegasi-51-b/
- blog: https://harvest.aps.org/v2/journals/articles/10.1103/RevModPhys.92.030503/fulltext

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "didier-queloz", "question": "…"}`.