How Scientists Calculated the Mass of the Milky Way

Have you ever wondered how heavy all objects in our Milky Way are together? Weight and mass outside of Earth are tricky. You can’t just put planets, stars, or other space objects on the scale. Generally, when you’re on a scale, it measures how hard the gravity of our planet is pulling on you.
On Earth, you weigh a certain amount, but if you could teleport to Jupiter now, it would be different. So, how did the scientists manage to weigh the Milky Way?

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[DylanWindsor]

I never knew how scientist could calculate the mass of different objects!!! It’s so neat that they can do all of this from earth!!!

[Leopez]

You are The brightest Star in The universe, im always on Bright Side. 🌠

[advikaastha]

Mary go round experiment is there are in my syllabus