Ask Astro: How do scientists weigh celestial objects?

It’s true that you can’t simply place a planet or galaxy on a scale to measure how heavy it is. Luckily, astronomers have a few tricks up their sleeves for weighing celestial objects.

StarSense Explorer DX 5 Schmidt Cassegrain AZ

May 2022 Issue

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James Webb found DMS in the planet's atmosphere, a chemical linked to presence of life. : r/Damnthatsinteresting

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Ask Astro: How do scientists weigh celestial objects?

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