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St. Patrick was not Irish by Lord Vath
This is the time of the year when I remind everyone that Saint Patrick was not Irish, he was Roman. Two Latin letters survive which are generally accepted...
March 8th 15 09:44 PM
by Bill[_9_] Go to last post
4 326
Mercator and Frisius by oriel36[_2_]
The Google frontpage tells us that Mercator was born 503 years ago today and his instructor was Gemma Frisius who first proposed carrying a clock on a voyage...
March 6th 15 05:44 PM
by Chris.B[_2_] Go to last post
3 371
Northern lights (take this with a grain of salt) by RichA[_6_]
Every so often, the unwashed latch onto the idea that some astronomical or Earthly phenomena is going to be spectacular. It usually ends in disappointment,...
March 2nd 15 04:43 PM
by Chris.B[_2_] Go to last post
4 429
Insane global warmers want to do the equivalent of vocanic eruptions, poison the atmosphere with sulfur dioxide by Chris L Peterson
On Tue, 24 Feb 2015 14:19:38 -0800 (PST), wrote: However it turns out the big, mature trees remove increasingly larger amounts of CO2...
(Multi-page thread 1 2)
March 1st 15 03:59 PM
by [email protected] Go to last post
10 743
The only thing planar mirrors reverse is front-back by Sam Wormley[_2_]
The only thing planar mirrors reverse is front-back. ...
(Multi-page thread 1 2 3)
March 1st 15 08:31 AM
by Mike Collins[_4_] Go to last post
21 918
THE BEST GHOST PHOTOS EVER TAKEN by CASPER Jr.[_2_]
http://paranormal.about.com/od/ghostphotos/ig/Best-Ghost-Photos/ This mind-boggling message has been brought to you...
February 27th 15 10:18 AM
by CASPER Jr.[_2_] Go to last post
0 447
MYSTERY PLUME ON MARS? by palsing[_2_]
http://www.space.com/28573-mystery-plumes-on-mars.html?cmpid=514630_20150217_40630956&adbid=10152645618386466&adbpl=fb&adbpr=17610706465
(Multi-page thread 1 2)
February 25th 15 08:13 AM
by Chris.B[_2_] Go to last post
17 686
Venus, Mars, the Moon and the weather by Mike Collins[_4_]
Mike Collins wrote: A beautiful day today with not a cloud in the sky. This allowed a perfect naked eye view of Mars and Venus...
February 24th 15 09:36 AM
by oriel36[_2_] Go to last post
3 348
Stephen Hawking Gets a Telescope by Davoud[_1_]
https://www.facebook.com/stephenhawking/posts/783815155038917 -- I agree with almost everything that you have said and almost everything that you will say...
February 21st 15 02:13 AM
by Davoud[_1_] Go to last post
0 673
Nikon Full-Frame Astro DSLR by Davoud[_1_]
http://petapixel.com/2015/02/10/nikon-d810a-worlds-first-full-frame-dsl r-astrophotography/ -- I agree with almost everything that you have said and almost...
(Multi-page thread 1 2 3 ... Last Page)
February 21st 15 12:50 AM
by Uncarollo2 Go to last post
61 1,668
Close approach of a star to solar system by Mike Collins[_4_]
http://scitechdaily.com/closest-known-flyby-star-solar-system/
February 20th 15 07:50 PM
by palsing[_2_] Go to last post
1 392
Strange show spotted high above Mars’ surface remains mysterious by Sam Wormley[_2_]
Strange show spotted high above Mars’ surface remains mysterious Amateur astronomers saw it, professional astronomers aren’t sure what it was. ...
February 19th 15 12:22 PM
by [email protected] Go to last post
1 525
The Lenten Pretzel by oriel36[_2_]
It is also known as the Panis Quadregesimalis - http://upload.wikimedia.org/wikipedia/commons/e/e9/Kepler_Mars_retrograde.jpg It represents the motion of...
February 19th 15 07:54 AM
by oriel36[_2_] Go to last post
5 1,278
ALERT: Geomagnetic K-index of 5 -- ALERT: Geomagnetic K-index of5 by Sam Wormley[_2_]
Space Weather Message Code: ALTK05 Serial Number: 768 Issue Time: 2015 Feb 17 2339 UTC ALERT: Geomagnetic K-index of 5 Threshold Reached: 2015 Feb...
February 18th 15 02:00 AM
by Sam Wormley[_2_] Go to last post
0 365
Curved or straight vane spiders in planetary Newtonians? by Chris.B[_2_]
The arguments over the optimum, secondary mirror, spider vane form continue. Some claim that curved spiders reduce diffraction effects to nil. At least...
(Multi-page thread 1 2 3 ... Last Page)
February 17th 15 01:43 PM
by [email protected] Go to last post
64 2,498
Best tube material for a planetary Newtonian? by Chris.B[_2_]
In the spirit of Sketcher's open appeal: Let's see how we get on: :-) The arrival of Carbon Fiber in the amateur telescope market offers a new option to the...
(Multi-page thread 1 2 3 ... Last Page)
February 16th 15 03:27 PM
by [email protected] Go to last post
37 1,795
Moon Phase and Libration, from the Other Side by palsing[_2_]
This will drive Gerald crazy... http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4253 .... but it is really a cool and unusual perspective. \Paul A
(Multi-page thread 1 2 3)
February 15th 15 09:05 PM
by [email protected] Go to last post
29 2,100
Cerro Tololo and Andes mountains by Uncarollo2
Taken from the top of the mountain at Cerro Tololo in Chile during a recent service...
February 15th 15 05:01 PM
by Chris.B[_2_] Go to last post
4 539
Beyond Einstein and E=mc2 - A question for the author by ajay sharma
On Thursday, February 12, 2015 at 10:12:22 PM UTC+5:30, wrote: Why did you write a review for your own book on Amazon - that...
February 15th 15 02:10 PM
by ajay sharma Go to last post
1 430
The empirical 'laws' by oriel36[_2_]
Yesterday I was informed was 'Darwin's day'. Looking at the social/political commentaries that have swamped SAA it comes as now surprise that Darwin as an...
February 14th 15 07:20 PM
by Quadibloc Go to last post
6 722
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