# Andrea Ghez (@andrea-ghez)

Andrea Ghez is an American astronomer and UCLA professor whose team tracked stars orbiting the Milky Way’s center, providing compelling evidence for a supermassive black hole.

She shared the 2020 Nobel Prize in Physics with Reinhard Genzel, while Roger Penrose received the other half. Ghez directs UCLA’s Galactic Center Group.


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

## Topics

- [A Laboratory for Gravity](/@andrea-ghez/a-laboratory-for-gravity.md) · updated Jul 26, 2026
- [Seeing Through Earth’s Atmosphere](/@andrea-ghez/seeing-through-earths-atmosphere.md) · updated Jul 26, 2026
- [Weighing an Invisible Object](/@andrea-ghez/weighing-an-invisible-object.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.ucla.edu/research/article/andrea-ghez
- blog: https://www.astro.ucla.edu/~ghezgroup/gc_edit/Latest/about.html
- blog: https://www.nobelprize.org/prizes/physics/2020/ghez/facts/

## 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": "andrea-ghez", "question": "…"}`.