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The theory of gravity by Gerald Kelleher
It was always going to be a natural development arising from the reasoning for a Sun centred system that speculative notions would emerge as to why smaller...
(Multi-page thread 1 2 3 ... Last Page)
Today 08:32 AM
by Gerald Kelleher Go to last post
60 135
X Marks the Spot: Two Total Solar Eclipses in Seven Years by Don Kuenz[_2_]
It's been said that, on average, a total solar eclipse can be seen from the same place only once every 375 years. The methodology used by whoever...
July 21st 17 02:38 PM
by Don Kuenz[_2_] Go to last post
0 8
Polar night and a full moon by Gerald Kelleher
In a few day the moon phase will be full closest to the June Solstice. https://www.usap.gov/videoclipsandmaps/spwebcam.cfm The quality of imaging from the...
(Multi-page thread 1 2 3 ... Last Page)
July 21st 17 09:14 AM
by Gerald Kelleher Go to last post
46 197
Comment on eclipse by Gerald Kelleher
I had a look through the NASA website dedicated to the eclipse - https://eclipse2017.nasa.gov/science Of course there is no relevant information as to where...
July 19th 17 12:15 PM
by Gerald Kelleher Go to last post
2 13
Eclipse for 21st century observers by Gerald Kelleher
http://www.zam.fme.vutbr.cz/~druck/eclipse/ecl2008m/tse2008_1000_mo1/Tse2008_1000_mo1_stars.jpg All stars transition from a twilight appearance (left of the...
(Multi-page thread 1 2 3)
July 16th 17 12:35 PM
by Gerald Kelleher Go to last post
23 94
A curved image sensor by RichA[_6_]
(Multi-page thread 1 2)
July 15th 17 04:36 PM
by Gerald Kelleher Go to last post
10 35
July 11th 17 11:43 PM
by Gutless Umbrella Carrying Sissy[_2_] Go to last post
15 48
Hotels along the eclipse path! by StarDust
July 9th 17 02:20 PM
by StarDust Go to last post
0 34
Radio Meteor Obs. Bull. June 2017 daytime streams by Chris Steyaert
Radio Meteor Observation Bulletin No. 287 of June 2017 (58 K) is available now as http://www.rmob.org/rmobtext/rmob1706.txt More information and the visual...
July 8th 17 03:52 PM
by Chris Steyaert Go to last post
0 40
More stupid "tech" to produce light pollution by RichA[_6_]
Are Brits so stoned they need this to keep from miss-stepping? More money for the STATE to squander instead of paying-down...
(Multi-page thread 1 2)
July 8th 17 03:35 AM
by Chris L Peterson Go to last post
11 63
It's gonna be an astronomer... by StarDust
so smart! https://www.youtube.com/watch?v=SG8d52cVG_E
July 7th 17 07:15 PM
by StarDust Go to last post
0 41
Venus phases and the eclipse by Gerald Kelleher
http://www.zam.fme.vutbr.cz/~druck/eclipse/Ecl1997r/Tse1997uw2/Hr/Tse1997uw2.png http://www.popastro.com/images/planetary/observations/Venus-July%202010-Januar...
July 6th 17 08:39 AM
by Quadibloc Go to last post
5 49
July 4th 17 10:50 PM
by Gerald Kelleher Go to last post
14 81
Signs of Global warming! by StarDust
When even portable toilets sliding around with people inside! What an experience, taking a dump while sliding...
July 1st 17 11:43 PM
by StarDust Go to last post
2 49
Nikon Coolpix P900 83x zoom (2000 mm) $500 by StarDust
Throw your telescope away, right now!...
(Multi-page thread 1 2)
July 1st 17 01:32 PM
by StarDust Go to last post
17 76
Very strong' climate change signal in record June heat - BBC by StarDust
http://www.bbc.com/news/science-environment-40449234 Dr Friederike Otto from the University of Oxford, one of the study's authors, told BBC News. "We found a...
July 1st 17 07:01 AM
by Chris.B[_3_] Go to last post
8 56
8K astronomy by Gerald Kelleher
I have no interest in monetary concerns of astrophotographers and their hobby but with the development of high resolution monitors the next stage in...
June 30th 17 08:02 AM
by Gerald Kelleher Go to last post
2 65
Thoughts, etc: August's Total Solar Eclipse by Sketcher
A while back I considered posting a reply to Davoud's "Angular Diameter of Solar Corona?" thread. Instead I provide this semi-related posting. On Feb. 26,...
June 27th 17 07:12 PM
by Razzmatazz Go to last post
8 69
Different forms of astronomy by Gerald Kelleher
It does not, by any means,need a stretch of the imagination to adjust to a 21st century version of astronomy which offers new and better tools to enjoy the...
June 27th 17 08:42 AM
by Gerald Kelleher Go to last post
1 59
balloon-supported vacuum space guns? by [email protected]
If you have a 1-meter-diameter 80km long airless tube with a railgun inside it, and you use a series of tethers and balloons along the whole length to keep one...
June 27th 17 05:40 AM
by RichA[_6_] Go to last post
6 110
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