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Does the sky revolve around the Earth? by Razzmatazz
Today's APOD would have you believe so: http://apod.nasa.gov/apod/astropix.html Enjoy :^))
(Multi-page thread 1 2 3 ... Last Page)
July 29th 16 05:00 PM
by Quadibloc Go to last post
50 1,352
This is seriously funny by Razzmatazz
A hoot: https://www.youtube.com/watch?v=OemqVWi_R0k
(Multi-page thread 1 2 3 ... Last Page)
July 26th 16 10:41 PM
by Gerald Kelleher Go to last post
40 1,239
Helluva refractor ..... by StarDust
This 350-Pound Soviet Spy Satellite Lens Could Be Yours for...
(Multi-page thread 1 2)
July 26th 16 09:30 AM
by Paul Schlyter[_3_] Go to last post
16 647
Buttercup Observations Prior to Moonrise by Sketcher
Getting out under the starry sky is a good way to put aside this year's election concerns. The evening went along precisely according to my plans. I started...
July 25th 16 08:13 AM
by Sketcher Go to last post
0 368
RTG's generate thousands of watts and this is what spacecraft needbeyond Mars with meaningful probes by RichA[_6_]
Image of one: https://upload.wikimedia.org/wikipedia/commons/3/3a/RTG_radiation_measurement.jpg
(Multi-page thread 1 2)
July 25th 16 07:48 AM
by Chris.B[_3_] Go to last post
19 755
Rainbow over Hawaii Island by Razzmatazz
http://www.astromart.com/common/image_popup.asp?image=/images/forums/828000-828999/828426.jpg&caption= Beautiful early morning rainbow being illuminated by...
July 25th 16 02:56 AM
by Chris L Peterson Go to last post
2 379
Moonlight at the South pole by Gerald Kelleher
http://www.usap.gov/videoclipsandmaps/spwebcam.cfm It is a day/night cycle within the polar day/night cycle as the moon acts like a beacon for the orbital...
(Multi-page thread 1 2 3 ... Last Page)
July 24th 16 07:11 AM
by Gerald Kelleher Go to last post
30 1,178
The Hunt for Planet Nine Continues by Quadibloc
Now it is seen as possibly responsible for a basic fact about the Solar System: http://www.popularmechanics.com/space/a21954/planet-nine-weird-orbits/ And of...
(Multi-page thread 1 2 3)
July 23rd 16 10:38 PM
by Mike Collins[_4_] Go to last post
24 1,162
Warped space-time by Razzmatazz
http://apod.nasa.gov/apod/astropix.html Today's APOD Hubble image shows many warped galaxies that are supposedly much farther away than the foreground galaxy...
(Multi-page thread 1 2)
July 23rd 16 12:57 AM
by [email protected] Go to last post
11 500
Genesis by Gerald Kelleher
There is never any fear that the ancient texts are ridiculed even though it has turned into a sport of sorts among those who can't be inspired or inspiring....
July 22nd 16 06:13 PM
by Gerald Kelleher Go to last post
6 317
Star Party in 1906 (o: by StarDust
http://www.nebraskastarparty.org/wp-content/uploads/2016/03/turn-of-the-century-astronomers.jpg
(Multi-page thread 1 2)
July 22nd 16 07:57 AM
by Gerald Kelleher Go to last post
17 588
Mak-Newts by StarDust
Anyone had a chance to own/use this 8" Mak-Newt from Orion? What are the pros/cons of the scope? It has the same CO-33% than my...
(Multi-page thread 1 2 3 ... Last Page)
July 21st 16 08:16 AM
by StarDust Go to last post
56 1,122
The Joy of the Maksutov Telescope by StarDust
http://neilenglish.net/wp-content/uploads/C90.jpg How come, I never see these chicks at star parties?
July 21st 16 04:34 AM
by RichA[_6_] Go to last post
3 321
Climate modeling by Gerald Kelleher
All planets have a specific climate and it has nothing to do with heat/cold nor distance from the Sun. A planet with 0° inclination or that close to...
July 20th 16 09:38 PM
by Gerald Kelleher Go to last post
0 439
Mercury by Gerald Kelleher
http://apod.nasa.gov/apod/ap160717.html The racetrack analogy applies to Mercury as it does to Venus although Venus gives observers a clearer view as it runs...
July 20th 16 02:39 PM
by Gerald Kelleher Go to last post
6 448
Mars with 3 different scopes - comparison by Razzmatazz
I did some imaging of Mars last Saturday in fair seeing just after sunset with my 175 refractor, 250 Mak and 305 Mak. I started with my 175 refractor which...
(Multi-page thread 1 2 3 ... Last Page)
July 19th 16 07:23 PM
by [email protected] Go to last post
87 992
Life the same, moving in stereo.... by StarDust
It's all inside of you ... https://www.youtube.com/watch?v=t1sO6CH2bwM
July 19th 16 10:11 AM
by StarDust Go to last post
0 367
Mars and Moon Craters this month by Razzmatazz
I took these images last night (7-15-2016) with a color digital camera thru a 10" F14.6 Maksutov-Cassegrain. The color saturation was set higher than normal on...
July 18th 16 03:45 PM
by Razzmatazz Go to last post
7 346
Buttercup Observes Moon and Planets at 117x by Sketcher
After reflecting on my earlier post about a certain 60mm achromat I got to thinking about my own words and concluded that it would probably be good to be able...
July 17th 16 09:25 AM
by StarDust Go to last post
1 446
Should We Colonize Venus Instead of Mars? by StarDust
https://www.youtube.com/watch?v=gJ5KV3rzuag I think, bankers don't like Venus, because it's so hot, money just burn up! My 2 cents! (o:
July 16th 16 05:33 PM
by StarDust Go to last post
2 398
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