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The astronomical importance of Samhain/Halloween by Gerald Kelleher
How to fit the Middle Eastern Judaeo-Christian festivals i with the Northern European festivals designed around astronomical milestones was always going to...
October 29th 18 11:00 AM
by Gerald Kelleher Go to last post
0 133
Climate from an astronomical perspective by Gerald Kelleher
The climate conditions of each planet ,apart from size,composition and distance from the Sun is due to inclination. The greater degree in inclination the more...
October 26th 18 08:50 PM
by Gerald Kelleher Go to last post
1 167
Manned Venus Mission? by Trawley Trash
On Tue, 16 Oct 2018 10:28:00 -0000 (UTC) Mike Collins wrote: Its a pity Brad Guths no longer here to read this. ...
October 25th 18 07:33 PM
by Trawley Trash Go to last post
4 201
Mercury rocket at the mercy of solar gravity well by RichA[_6_]
https://www.bbc.com/news/science-environment-45838991
October 25th 18 06:49 PM
by Gerald Kelleher Go to last post
7 187
social media sources of amateur astronomy news; are there any? by walter lebowitz jr
Are there any Twitter or other social media accounts worth following for one interested in: 1) rapid notification of new comet discoveries or outbursts of...
October 24th 18 11:52 AM
by Martin Brown[_3_] Go to last post
4 157
For those who appreciate logic and reasoning by Gerald Kelleher
The Equator and indeed the entire surface of the Earth turns in two distinct ways to the Sun generating the daily 24 hour day/night cycle and separately...
October 23rd 18 10:27 PM
by Gerald Kelleher Go to last post
1 161
NASA says they fixed Hubble gyro problem by RichA[_6_]
https://www.bbc.com/news/science-environment-45955602
October 23rd 18 04:36 PM
by RichA[_6_] Go to last post
0 201
Geomagnetism by Gerald Kelleher
http://geomag.org/info/Declination/magnetic_declination_2010.gif The most underused observation is probably geomagnetism and specifically why it is not...
October 23rd 18 10:43 AM
by Gerald Kelleher Go to last post
0 171
Oh no, not again by Quadibloc
Saw this news...
(Multi-page thread 1 2)
October 21st 18 10:25 AM
by RichA[_6_] Go to last post
16 314
OT? Amateur Astronomy by Davoud[_1_]
The joke around here is that it only rained four times this summerčall of June, July, August, and September. When clear weather appeared on the night of 13-14...
(Multi-page thread 1 2)
October 21st 18 07:57 AM
by Gerald Kelleher Go to last post
13 272
Celebrating the Mercury mission by Gerald Kelleher
The very least they can do is partition the perspectives between the faster and slower moving planets where the actual loop of the faster Mercury seen from a...
October 20th 18 10:34 PM
by Gerald Kelleher Go to last post
0 159
Review of video commentary by Gerald Kelleher
https://www.youtube.com/watch?v=01QWC-rZcfE It is quite a sight these days to see these guys try their hand at proof of the Earth's orbital motion by...
October 20th 18 10:26 PM
by Gerald Kelleher Go to last post
2 149
The subculture (Part 2) by Gerald Kelleher
Hopefully without any distractions this time. The geocentric astronomers and even the Sun centered astronomers worked off a framework where the Sun moved...
October 18th 18 12:18 PM
by Gerald Kelleher Go to last post
0 135
The subculture that obscured genuine astronomy by Gerald Kelleher
The illusory loops (direct/retrograde motion) of the slower moving planets seen from Earth are distinguished from the actual loops (also direct/retrograde...
October 17th 18 03:48 PM
by Gerald Kelleher Go to last post
8 159
Modified explanation for twilight variations across latitudes by Gerald Kelleher
The Polar twilight and its presence for around 6 weeks after the Equinox at the North and South Poles is a separate issue with a separate rotational cause....
October 17th 18 09:32 AM
by Gerald Kelleher Go to last post
2 131
Mathematical facets by Gerald Kelleher
Es tut mir sehr leid aber I can nicht den text in Englisch finden...
October 15th 18 09:19 AM
by Gerald Kelleher Go to last post
3 168
Celestron NexStar 130SLT any good? by StarDust
https://www.firstlightoptics.com/user/products/SLT130.jpg Shaky, wobbly etc...
October 15th 18 08:11 AM
by StarDust Go to last post
0 176
C14 seems to be the "go-to" telescope for cutting-edge planetary andmoon imaging by RichA[_6_]
Lots of people seem to use them for this. I wonder if it's because for its aperture, it's portable allowing them (the owners) to seek-out better seeing...
October 15th 18 01:35 AM
by RichA[_6_] Go to last post
4 159
A mathematical masterpiece by Gerald Kelleher
http://www.usccb.org/bible/matthew/1 The genealogical structure is detached from the rest of the tradition of Matthew's community. The footnotes as to the...
October 14th 18 08:33 AM
by Gerald Kelleher Go to last post
0 153
A more intimate astronomy by Gerald Kelleher
It could have been a more advanced astronomy but generally people assume there is something difficult when phrased that way. To break a celestial sphere mold...
October 12th 18 11:30 PM
by Gerald Kelleher Go to last post
1 154
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