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6 |
844 |
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Astro-Physics GTOCP4 Control Box by
Davoud[_1_]
I have just installed the new Astro-Physics GTOCP4 control box on my
A-P 1200GTO. Installation was a snap on the 1200 even though the CP4 is
considerably wider...
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0 |
438 |
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56 |
1,335 |
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Empirical eccentricity by
Gerald Kelleher
http://www.space.com/33411-astronaut-scott-kelly-relativity-twin-brother-ages.html
I have already explained that Newton's absolute/relative is nothing more...
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0 |
363 |
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134 |
2,673 |
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182 |
4,760 |
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1 |
398 |
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Timekeeping and retrogrades by
Gerald Kelleher
The observed stationary points between observed motions of the inner and outer planets have two distinct causes...
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6 |
430 |
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A view from Juno by
Gerald Kelleher
There is something wonderful in the view of Jupiter that is denied observers on Earth as its circle of illumination adds another facet to its orbital motion...
( 1 2)
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12 |
714 |
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0 |
659 |
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South pole rescue by
oriel36[_2_]
http://www.nature.com/news/daring-antarctic-rescue-mission-sets-off-for-south-pole-1.20135
When the rescue was made there was almost daylight conditions at...
( 1 2 3 ... Last Page)
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76 |
1,837 |
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12 |
485 |
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15 |
627 |
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Outreach at 6,000 feet by
Sketcher
I spent the past week in a mountain meadow adjacent to southwestern Montana's Gallatin National Forest. The 6,000 foot site was surrounded by mountains that...
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1 |
281 |
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New Jupiter probe almost there by
RichA[_6_]
Pity they haven't got one that can drill down on the surface of a moon, but with current 10th century Chinese rocket technology being what's used at NASA, it's...
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3 |
456 |
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4 |
444 |
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Ten Summer Doubles for Small Telescopes by
Sketcher
Soon I'll be showing a small group of people a few celestial sights. The location (which I've not been to before) is likely to have some bright outdoor...
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7 |
453 |
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Isn't ice supposed to be white? by
StarDust
http://www.motherjones.com/environment/2014/09/why-greenland-dark-snow-should-worry-you
Dark ice' effect caused by soot from forest fires, which then means...
( 1 2)
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19 |
798 |
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Rolf Meier by
David H. Levy
It is my unhappy task to advise readers that Rolf Meier, a famous amateur astronomer from Ottawa Canada, died today after a battle with cancer. Former...
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1 |
256 |
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0 |
385 |