Quoting Neville Jones <njones@xxxxxxxxx>: > > -----Original Message----- > > From: art@xxxxxxxxxx > > Sent: Wed, 21 Nov 2007 13:22:26 +1100 > > > > From a rotation you would not be able to get anything but great circles > > around the rotational axis (Stars tracing constant latitude w.r.t. that > > axis). > > Agreed. > Good. > > The ellipses are very small and arise from the parallaxes arising from > > the TRANSLATIONAL motion of Earth in its orbit around the Sun. > > > Am I right in saying that the major axis of these ellipses are equal in > length? This is what I refer to as 'aberration'. > Eh, if that's the case, how are we supposed (in HC) to be able to measure the distances to the stars using their parallaxes? Regner > Neville. > > > Free 3D Earth Screensaver > > Watch the Earth right on your desktop! Check it out at www.inbox.com/earth > > >