Ijon Tichy
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- Feb 14, 2009
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Hi spacefarers,
I noticed that the surface MFD sometimes displays red markers labeled "AP" and "PE" in its altitude ribbon. The handbook tells me those are the aphelion and perihelion markers, but does not give further explanation.
I can't figure this out. What has sun distance got to do with my altitude above ground? So, what are those markers, and what are they good for?
I noticed that the surface MFD sometimes displays red markers labeled "AP" and "PE" in its altitude ribbon. The handbook tells me those are the aphelion and perihelion markers, but does not give further explanation.
I can't figure this out. What has sun distance got to do with my altitude above ground? So, what are those markers, and what are they good for?