Re: Aren't they downside up?


Barry wrote:
Why are "spacetime" diagrams drawn downside up?

If we're falling through the void, shouldn't our paths point downwards.

Because then we'd have to use the left-hand rule.


It's much easier then to visualize our galaxy going down the plug hole.

By the way, why don't the stars go around the galaxy at the right speed?

Barry

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Relevant Pages

  • Re: Arent they downside up?
    ... If we're falling through the void, shouldn't our paths point downwards. ... It's much easier then to visualize our galaxy going down the plug hole. ...
    (sci.physics.relativity)
  • Arent they downside up?
    ... If we're falling through the void, shouldn't our paths point downwards. ... It's much easier then to visualize our galaxy going down the plug hole. ...
    (sci.physics.relativity)
  • Re: Re: Dark matter
    ... The "MASS", as you say would be isolated DM! ... is the fact that there is not detectable MATTER in the VOID ... The CMBR has no voids, it comes from a time long before ... A galaxy is a group of stars that are gravitationally linked. ...
    (talk.origins)
  • Re: Arent they downside up?
    ... If we're falling through the void, shouldn't our paths point downwards. ... It's much easier then to visualize our galaxy going down the plug hole. ...
    (sci.physics.relativity)