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Re: How big is Space? ups and downs

From: Glen
Sent on: Thursday, October 18, 2012 12:54 PM
OK, many of you may think I am silly for making this point, but here goes. Even tho I really liked this graphic, something bothered me about it. Maybe it's only a psychological issue, and not a big one, but I don't understand why they have the graphic moving DOWN to show things as they get higher (farther from the earth's surface). It would feel more natural to show them going UP, since that is how we'd view these things (balloon, rocket, etc) from our perspective.  I know, I know... from a cosmic viewpoint it does not matter, but why turn things upside down, so to speak, for no good reason?  In the same way, but with more reason for concern, it bothers me when illustrations of earth history (or evolution, etc) show dates getting older as you go "up" on a diagram, which is the opposite of how they are found in the earth. It just confuses people, especially kids. In these cases, it's not "all relative" - with few exceptions, older rocks and fossils are physically lower (from any point on the earth's surface) so why not show diagrams conforming to this?  Anyway, I will try the decaf next time, but I just thought I'd mention that, for whatever it's worth. I did really like everything else about the graphic.

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