# R3 | perplexity/sonar-pro | run 1

## Prompt

Who was awarded the 2020 Nobel Prize in Physics, and for what? Cite your sources.

## Response

The **2020 Nobel Prize in Physics** was awarded to **Roger Penrose**, **Reinhard Genzel**, and **Andrea Ghez**.[1][2] Penrose received half of the prize **“for the discovery that black hole formation is a robust prediction of the general theory of relativity,”** while Genzel and Ghez shared the other half **“for the discovery of a supermassive compact object at the centre of our galaxy.”**[1][2]

## Details
- **Roger Penrose** — half the prize for showing that black hole formation follows from general relativity.[1][2]
- **Reinhard Genzel** — shared half the prize for discovering the supermassive compact object at the center of the Milky Way.[1][2]
- **Andrea Ghez** — shared the same half for the same discovery.[1][2]

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