Recent content by Amoriko Savarias

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    How long is a galactic year?

    Indeed, there was a problem when Vera Rubin face that Newtonian gravity did not work on the galaxy scale. Because stars in a galaxy revolve around the middle in the same angular speed. That's why they developed the Modified Newtonian Dynamics (MOND)...
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    How long is a galactic year?

    Dear Grant-Currin, First, I want to remind you about Vera Rubin's greatest work in studied Andromeda galaxy. She found that the movement of those stars is in the same angular speed. That's means, they move like a plate of pizza. All stars are in the same formation in a plate of the galaxy...