What is a black hole?

Linh wonders what a black hole is, and Dimitri tries his best to explain it… slowly…

Check out Linh's app, Not Phở, a cook that introduces the user to Vietnamese cuisine, especially dishes other than Phở. It runs on iPhone, iPad, and Mac. It also have an iMessage sticker pack so that you can share with all your friends and family.

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References:

• https://www.youtube.com/watch?v=e-P5IFTqB98
• https://www.youtube.com/watch?v=QqsLTNkzvaY
• https://en.wikipedia.org/wiki/Black_hole
• https://science.nasa.gov/astrophysics/focus-areas/black-holes
• https://en.wikipedia.org/wiki/Neutron_star
• https://www.youtube.com/watch?v=udFxKZRyQt4
• https://astronomy.com/news/2019/12/astronomers-map-a-neutron-stars-surface-for-the-first-time
• https://en.wikipedia.org/wiki/Hawking_radiation