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Coming full circle by Gerald Kelleher
One of the greatest instruments astronomers have at their disposal is the use of analogies and especially when describing the observed motions we see from a...
(Multi-page thread 1 2 3 ... Last Page)
May 2nd 17 07:29 PM
by Gerald Kelleher Go to last post
36 970
Actual motions vs apparent/true motions by Gerald Kelleher
The hapless empiricist is stuck with an ideology they never really understood but have the dubious capacity to believe it anyway - "It is indeed a matter of...
April 30th 17 07:57 PM
by Gerald Kelleher Go to last post
1 532
New material to line telescope tubes? by RichA[_6_]
http://www.cnn.com/videos/style/2017/03/30/watch-all-light-disappear-into-this-material-orig-tc.cnn
(Multi-page thread 1 2 3)
April 27th 17 07:11 AM
by Chris.B[_3_] Go to last post
20 571
Cassini: Before NASA became pathetic by RichA[_6_]
Nuclear powered, as any unmanned spacecraft SHOULD be. A success, unlike many others. No global warming crapola, no doom-saying, greenie money-grubbing...
April 27th 17 07:01 AM
by Chris.B[_3_] Go to last post
2 234
Questar is making a 5" scope by RichA[_6_]
Prototype images and information are on Cloudynights.com Questar group. How long have people been speculating on this, 20-30 years? Apparently, the 5" was...
April 27th 17 02:23 AM
by Davoud[_1_] Go to last post
4 335
Second hottest March since records began by Mike Collins[_4_]
Not as hot as last years but no El Niño effect. https://edition.independent.co.uk/editions/uk.co.independent.issue.210417/data/7693806/index.html
(Multi-page thread 1 2)
April 26th 17 11:56 AM
by Gary Harnagel Go to last post
15 506
Science is what made us great by Razzmatazz
Science deniers will turn us into a backwater: https://www.facebook.com/neildegrassetyson/videos/10155195888806613/
(Multi-page thread 1 2)
April 23rd 17 11:01 AM
by Gerald Kelleher Go to last post
16 384
sidereal clock for sale by [email protected]
On Tuesday, April 30, 2002 at 10:43:16 PM UTC, Bryan Mumford wrote: Mumford Micro Systems is making an analog quartz sidereal clock for sale. It was...
(Multi-page thread 1 2 3)
April 21st 17 10:05 PM
by Quadibloc Go to last post
20 1,672
Climate and astronomy by Gerald Kelleher
Planetary climate is not isolated to the Earth but all planets display their individual climate and this is dictated by the degree of inclination...
April 21st 17 05:55 PM
by Gerald Kelleher Go to last post
0 299
Earth and Moon from Cassini by Mike Collins[_4_]
https://cdn.arstechnica.net/wp-content/uploads/2017/04/PIA21445_fig1.jpg
April 21st 17 01:05 PM
by Gary Harnagel Go to last post
1 274
The Untold Story Of The World's Most Famous Photo by palsing[_2_]
http://www.youtube.com/watch_popup?v=dE-vOscpiNc
(Multi-page thread 1 2 3 ... Last Page)
April 20th 17 07:52 PM
by Gerald Kelleher Go to last post
34 746
Etymology of the word 'planet' by Gerald Kelleher
The less careful are always concerned about definitions and forget why celestial objects such as planets,among other things, are called that way and tend to...
(Multi-page thread 1 2 3 ... Last Page)
April 10th 17 07:35 AM
by Quadibloc Go to last post
49 912
James Lovelock Explains Gaia Hypothesis on The Sacred Balance by StarDust
https://www.youtube.com/watch?v=44yiTg7cOVI I agree with him about the Gaia theory! Read his book back in the 90's, I think his theory still holds up!
(Multi-page thread 1 2 3)
April 7th 17 01:25 PM
by Mike Collins[_4_] Go to last post
29 673
Radio Meteor Obs. Bull. March 2017 by Chris Steyaert
Radio Meteor Observation Bulletin No. 284 of March 2017 (59 K) is available now as http://www.rmob.org/rmobtext/rmob1703.txt More information and the visual...
April 5th 17 07:56 PM
by Chris Steyaert Go to last post
0 632
Climate principles for all planets by Gerald Kelleher
The relationship between planetary surface rotational points and the plane of orbital motion determines, within a spectrum, what type of climate each planet...
April 3rd 17 08:16 AM
by Gerald Kelleher Go to last post
7 230
BBC Stargazing Live in Australia (clouded out) by Martin Brown[_3_]
The Stargazing Live team went to the land of Oz this year for clear skies and to catch Jupiter at a favourable time for evening Live TV but true to form the...
April 2nd 17 09:50 AM
by Chris.B[_3_] Go to last post
3 297
Help Australia find Planet 9 by RichA[_6_]
http://www.bbc.com/news/world-australia-39401667
March 30th 17 07:34 AM
by Chris.B[_3_] Go to last post
3 358
Mars flyover from orbiter images. by Chris.B[_3_]
What it says on the tin: https://vimeo.com/207076450 Stunning!
(Multi-page thread 1 2)
March 26th 17 02:01 AM
by Chris L Peterson Go to last post
15 365
Why are some mirror-less owners such...dummies? by RichA[_1_]
I can live with the buyer of a $6000 DSLR not knowing how to use it, having more money than knowledge, but a mirror-less buyer who cries that he can't properly...
March 22nd 17 07:13 AM
by RichA[_1_] Go to last post
0 290
Hubble wasn't the only telescope optic screwed-up by makers. by [email protected]
The big Russian 236" mirror was a dog and I ran across this regarding the CFHT in...
March 22nd 17 06:31 AM
by [email protected] Go to last post
0 264
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