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What kind of self-respecting planet has a moon 1/2 its diameter? by RichA[_6_]
NONE! http://www.theweathernetwork.com/news/articles/whats-up-in-space-the-best-nasa-has-from-pluto-so-far/54248/
(Multi-page thread 1 2 3)
July 21st 15 09:49 AM
by [email protected] Go to last post
20 1,493
NO leap second will be introduced at the end of December 2015 by Sam Wormley[_2_]
INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE...
(Multi-page thread 1 2 3 ... Last Page)
July 20th 15 06:58 AM
by Paul Schlyter[_3_] Go to last post
53 1,775
New Horizons = SUCCESS! Philae = semi-flop. Know why? PLUTONIUM!!!! by RichA[_6_]
Nothing but nothing matches an RTG power source. Not solar, not chemical. And nothing ever WILL match it.
July 19th 15 06:22 AM
by Chris L Peterson Go to last post
3 535
Pluto would be fine...as Earth's moon by RichA[_6_]
http://www.nasa.gov/sites/default/files/thumbnails/image/nh-pluto-charon-earth-size.jpg
July 16th 15 12:40 AM
by Lord Vath Go to last post
7 549
Oort Cloud object images by RichA[_6_]
http://www.theweathernetwork.com/news/articles/your-five-point-guide-to-tuesdays-amazing-pluto-flyby/54151/
July 14th 15 08:03 AM
by RichA[_6_] Go to last post
3 568
Hydrogen Alpha region in Cygnus by Uncarollo2
Summer is the time to explore the Milky Way, with its mired of stars and deep sky objects. Throughout the Milky Way there is a background of elemental hydrogen...
(Multi-page thread 1 2 3)
July 13th 15 08:45 PM
by [email protected] Go to last post
26 967
Maunder like minimum m by Mike Collins[_4_]
Vath doesn't like links but he really needs to look at this one. http://www.sciencedaily.com/releases/2015/07/150709092955.htm#.VZ_eTA2ZdAM.mailto Keep your...
July 11th 15 07:47 AM
by Chris.B[_2_] Go to last post
1 688
Lunt selling 6" apo for $2990 (Astromart) and the lens-in-cell for $1600.00 by RichA[_6_]
But...it is a 2-element six-inch and I don't think they are specifying what glass is being used so "apo" might not be as "apo" as it should be. We'll see.
(Multi-page thread 1 2)
July 10th 15 08:42 AM
by Martin Brown Go to last post
15 741
Enviro-mentality disease hits Takahashi, the new scope by RichA[_6_]
The FC-100D, is a new scope that uses a sub-diameter fluorite element inside the tube like TeleVue, but an "eco-glass" objective element up front. How nice. ...
(Multi-page thread 1 2 3 ... Last Page)
July 10th 15 08:05 AM
by Chris.B[_2_] Go to last post
46 1,030
Good amateur astronomy is getting astoundingly cheap! by RichA[_6_]
People have no idea how the hobby has changed. In the early 1900's, any decent telescope ownership meant you were rich, unless you made it yourself.. In the...
(Multi-page thread 1 2)
July 9th 15 03:20 PM
by Chris L Peterson Go to last post
16 528
Another Example of the Quality of Certain Research on Climate Change by Quadibloc
Just came across this news item: http://insideclimatenews.org/news/29062015/smithsonian-revamps-disclosure-rules-after-willie-soon-controversy John Savard
July 8th 15 02:31 PM
by Lord Vath Go to last post
7 590
Why we need to keep adding leap seconds by Sam Wormley[_2_]
Why we need to keep adding leap seconds http://phys.org/news/2015-07-adding-seconds.html The length of the solar day – or the time it actually takes the...
(Multi-page thread 1 2)
July 6th 15 04:55 PM
by oriel36[_2_] Go to last post
12 687
Crimsom Sunset - Orange Moonrise by Sketcher
Due to wildfires in western Canada my sky (and the sky over much of the U.S..) has been quite smoky. Combine a smoky sky with a full moon and many would write...
July 4th 15 04:58 AM
by palsing[_2_] Go to last post
1 410
These composite (fake) images do no service to astronomy by RichA[_6_]
http://apod.nasa.gov/apod/image/1507/VenusandJupiterareClose_WangLetian.jpg
(Multi-page thread 1 2)
July 3rd 15 07:40 PM
by Mike Collins[_4_] Go to last post
11 541
Scare tactics without end by oriel36[_2_]
After four cycles of 365 days and rotations, an additional 86,400 seconds and one rotation is inserted to make up the natural difference in orbital distance...
July 3rd 15 01:02 AM
by Quadibloc Go to last post
4 341
Nagler's DeLite eyepieces by RichA[_6_]
Saw them today in an indoor setting. Decent eyepieces, reminded me a bit of Radians. But according to Nagler, Radians were discontinued due to lack of glass...
(Multi-page thread 1 2 3)
July 2nd 15 10:35 PM
by [email protected] Go to last post
21 686
RSA Animate - Drive: The surprising truth about what motivates us by Sam Wormley[_2_]
RSA Animate - Drive: The surprising truth about what motivates us https://www.youtube.com/watch?v=u6XAPnuFjJc -- sci.physics is an unmoderated newsgroup...
July 1st 15 11:25 PM
by Bill[_9_] Go to last post
2 455
Earthshine - Gibbous Moon - New Scope by Sketcher
Last night was 2nd light for a new telescope. So naturally I had to check out performance, etc. Besides checking out a few DSOs: NGC3077 (stumbled across...
July 1st 15 05:33 AM
by Sketcher Go to last post
4 326
"Space-X'd" (s---- rocket explodes) by RichA[_6_]
Maybe they should be making contact explosives instead? http://money.cnn.com/2015/06/28/technology/spacex-rocket/index.html
June 30th 15 07:03 PM
by [email protected] Go to last post
2 326
Stars of a Summer's Triangle by Sam Wormley[_2_]
Stars of a Summer's Triangle http://apod.nasa.gov/apod/ap150627.html Explanation: Rising at the start of a northern summer's night, these three bright...
June 29th 15 08:33 AM
by oriel36[_2_] Go to last post
2 416
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