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NASA is robbing the Russians blind by Quadibloc
A Verge article about delays in the publication of installments of _A Song of Ice and Fire_ says Russia charges $80 million per astronaut ferried to the...
April 29th 18 07:07 AM
by Chris.B[_3_] Go to last post
8 220
Actual time lapse vs distorted time lapse by Gerald Kelleher
The daily motion of the surface across the fully illuminated face on the September Equinox follows, at least from an orbital perspective, a Northwest to...
(Multi-page thread 1 2 3)
April 28th 18 09:34 AM
by Gerald Kelleher Go to last post
29 529
Averaging and the Equation of Time by Gerald Kelleher
Here take notice, that the Sun or the Earth passeth the 12. Signes, or makes an entire revolution in the Ecliptick in 365 days, 5 hours 49 min. or there...
April 23rd 18 09:12 PM
by Gerald Kelleher Go to last post
7 206
Hey, hook this up to a scope! by RichA[_6_]
(Multi-page thread 1 2)
April 23rd 18 02:23 AM
by Davoud[_1_] Go to last post
18 266
We need new nomenclature by RichA[_6_]
I read a review of the ugly Baader Morpheus eyepieces on cloudynights and something stuck me. The reviewer used the term, "diffraction rings" (of a star)when...
April 17th 18 01:37 AM
by Razzmatazz Go to last post
2 206
NASA slips up! The TRUTH is finally revealed! by Quadibloc
Look at this image describing Exploration Mission-1: https://www.nasa.gov/image-feature/exploration-mission-1-map and the similar image about Exploration...
April 17th 18 12:29 AM
by Quadibloc Go to last post
7 202
Space Junk's R Us. by RichA[_6_]
April 14th 18 07:47 AM
by Chris.B[_3_] Go to last post
1 207
Polar astronomy by Gerald Kelleher
Lots of innovations to consider during the period of polar twilight after the March Equinox at the South Pole station. The same principles apply to polar...
(Multi-page thread 1 2 3 ... Last Page)
April 9th 18 10:57 AM
by Quadibloc Go to last post
49 691
Radio Meteor Obs. Bull. March 2018 by Chris Steyaert
Radio Meteor Observation Bulletin No. 296 of March 2018 (58 K) is available now as http://www.rmob.org/rmobtext/rmob1803.txt More information and the visual...
April 5th 18 07:29 PM
by Chris Steyaert Go to last post
0 216
Proving the Earth's orbital motion. by Gerald Kelleher
The RA/Dec observers try their level best to equate circumpolar motion to daily rotation and that uses up the observation of the motion of the stars...
April 5th 18 04:38 PM
by Gerald Kelleher Go to last post
7 212
Tabby's Star Dimming Again by Quadibloc
Saw this news item: https://www.extremetech.com/extreme/266474-alien-megastructure-star-enters-another-dimming-phase John Savard
(Multi-page thread 1 2 3 ... Last Page)
April 5th 18 12:08 AM
by Jibini Kula Tumbili Kujisalimisha Go to last post
39 494
Lucky it wasn't the other way around by Quadibloc
Human activity actually improved the effectiveness of the van Allen belts as a barrier to space...
April 4th 18 07:02 AM
by Chris.B[_3_] Go to last post
2 194
John Harrison's Birthday by Gerald Kelleher
The British had such an amazing engineering tradition and perhaps second to none including the technological era of the internet, computers and rocketry. The...
April 3rd 18 09:16 AM
by Gerald Kelleher Go to last post
0 153
Instruction for genuine teachers by Gerald Kelleher
When Copernicus first proposed the resolution of direct/retrograde motion, he did not discriminate between the faster and slower moving planets seen from Earth...
April 2nd 18 10:52 AM
by Gerald Kelleher Go to last post
1 159
Where will it crash? by StarDust
Where will it crash? China confirmed in 2016 that it had lost contact with Tiangong-1 and could no longer control its behaviour, so we don't really know where...
April 2nd 18 04:51 AM
by StarDust Go to last post
5 148
Crappy Chinese space station falling out of the sky any day now by RichA[_6_]
Check-out the detector device. Looks like a Samyang manual focus lens attached to a CCD camera of some...
April 1st 18 06:10 PM
by Chris L Peterson Go to last post
5 167
Chinese junk to fall on Walmart by RichA[_6_]
Get it? Two jokes in one. https://www.cnn.com/2018/03/29/asia/tiangong-1-china-space-lab-intl/index.html
April 1st 18 05:16 PM
by RichA[_6_] Go to last post
0 137
Voyager responds after 37 years of inactivity by StarDust
https://www.youtube.com/watch?v=m1PGo_MB11M I wonder, where they got this sexy astronomer girl, Chavez?
March 31st 18 06:38 AM
by StarDust Go to last post
0 152
Webb Telescope delayed until mid 2020 by RichA[_6_]
March 29th 18 07:56 AM
by Gerald Kelleher Go to last post
1 164
What DST does by Gerald Kelleher
The daily cycle is anchored to noon where sunrise and sunset are more or less symmetrical either side of this fixed astronomical event regardless of...
March 26th 18 03:29 PM
by Gerald Kelleher Go to last post
6 164
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