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Index of Subjects Thank you, Mr. Williams. Patricia Dix Greenwich NS Sherman Williams wrote: > > Looks like a nice clear sky tonight -for some of us at least. > > Some items to look for in the Canada Day night sky: > With late sunset (9:07p.m. in Avonport) It is after 10 p.m. before the > sky is dark enough to show anything ....except for VENUS ! > Venus is a BRILLIANT jewel above the western horizon just now. > Certainly by 9:45 it can be seen well up in west; by 10:15 -10:30 it > is dazzling in the darkening twilight. Around that time, one should > begin to see Regulus (the main star of LEO), Mars, and Saturn, (in > that order) forming a straight LINE diagonally up to the left from > Venus, all about evenly spaced. > > Over July Venus and Mars converge on Saturn. First week in August > these 3 planets form a binocular-field-huddle above the LOW western > horizon. On clear summer evenings It will be neat to watch this > huddle of planetary arrangement take place. The one challenge is the > lingering twilight; that part of the sky gradually gets flooded with > the advance of the Sun as it moves into that part of the sky (mid > August Sun is located near Regulus, just left to where Venus is tonight). > > Venus is about 8 light-minutes (l-min) distant, Mars is about 14 > l-min, and Saturn is about 79 l-min, Regulus is 77 light years (l-y) > distant. (If you could travel at the speed of a cell phone call, > which travels at light speed, the light year or the light minute is > how long it would take to reach the object referred to) > > The Space Station makes some late evening (night) passes that are > visible. One at 10:40 p.m 25 deg to the north and one at 12:16 a.m. 35 > deg to the NNE. > (The space Station at its 370km altitude is much less than one second > away using the speed of light) > > Arcturus (36 light years away) is the bright star up toward overhead > in the southward. You'll notice that the Big Dipper has at a lofty > perch as well. > > Hope you all enjoyed your Canada Day ! > > Sherman >
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