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2008-08-19 Astronomy - night sky: Hi Pietro, Yes, that checks out almost exactly; at that time, 9:15 pm local time, on December 29-30, 2007, the equilateral triangle of Betelgeuse, Aldebaran, and Mars was 60 degrees high in the east...
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2008-08-18 Astronomy - comets and orbits: Hi Robert, 1 - POV is Point Of View. 2 - It is NOT reduction in forward velocity. Even if a comet is rotating, only the side facing the sun goes thru the outgassing phase. (surface ablation + sub-surface...
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2008-08-18 Astronomy - Ra and Dec: Hi Jake,At the cost of another bad rating, I'll tell you what to do....Yes, you want to purchase a fairly good star chart (Norton's Star Atlas, or Cambridge 2000.0 Star Atlas for about twenty bucks) and...
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2008-08-18 Astronomy - night sky: Hi Pietro, Unfortunately you didn't supply me with a compass direction (due East?) or a time of the night (perhaps right after sunset at 7 pm) or an elevation (like one full handspan, 15 degrees, up...
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2008-08-16 Astronomy - Ra and Dec: FOLLOW UP: It doesn't matter if you have a goto scope or not; You stated that you are a beginner in astronomy. I know it will generate me a bad rating, because it ain't what you want to hear, but...
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