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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
0 564
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
4 410
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
0 433
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
1 492
Combining two historical perspectives by Gerald Kelleher
The thing that is most striking when encountering the first Sun centered astronomers, at least those who swept away their reservations about a moving Earth, is...
October 11th 18 09:02 AM
by Gerald Kelleher Go to last post
2 583
Hubble Telescope partially-crippled by RichA[_6_]
IF they still had a Shuttle, they could probably fix it. https://www.bbc.com/news/science-environment-45788412
October 10th 18 01:28 AM
by RichA[_6_] Go to last post
5 577
Hayabusa probes. How is it they hop? by RichA[_6_]
What's the mechanism?
October 8th 18 10:13 PM
by RichA[_6_] Go to last post
3 583
First annual milestone passed by Gerald Kelleher
The rate of change in the transition from daylight to darkness is slowing down after an upward accelerating curve since June 21st...
October 8th 18 09:29 PM
by Gerald Kelleher Go to last post
0 503
Climate report for the solar system by Gerald Kelleher
In a few days the empirical modelling will give a fresh injection of hoopla in order to tax people via the decarbonisation agenda. Despite the fact that most...
October 8th 18 09:17 AM
by Gerald Kelleher Go to last post
1 548
Proximity to a planet formed near a neutron-star merger = morewealth, more warlike? by RichA[_6_]
Well... https://arxiv.org/ftp/arxiv/papers/1803/1803.04919.pdf
October 7th 18 06:30 PM
by Bill[_9_] Go to last post
1 700
Proxima Centauri b - may not exist by Quadibloc
Ran across this: https://www.centauri-dreams.org/2015/11/09/alpha-centauri-planet-reconsidered/ John Savard
October 6th 18 03:10 PM
by Quadibloc Go to last post
1 731
Radio Meteor Obs. Bull. September 2018 by Chris Steyaert
Radio Meteor Observation Bulletin No. 302 of September 2018 (52 K) is available now as http://www.rmob.org/rmobtext/rmob1809.txt More information and the...
October 4th 18 08:33 PM
by Chris Steyaert Go to last post
0 484
Astronomical roots of Halloween by Gerald Kelleher
The Western islands of Europe celebrated the annual cycle in terms of the light half/dark half of the year as May 1st and November 1st respectively but while...
October 4th 18 06:13 AM
by Gerald Kelleher Go to last post
2 475
Possible New Physics by Quadibloc
What appear to be high-energy neutrinos detected in Antarctica may lead to new physics beyond the Standard...
October 2nd 18 10:21 AM
by RichA[_6_] Go to last post
1 437
Polar sunrise time 2018 by Gerald Kelleher
https://www.timeanddate.com/sun/antarctica/south-pole It is a singular event each orbit at the South Pole as a component of the great Polar day/night...
October 2nd 18 08:51 AM
by Gerald Kelleher Go to last post
4 593
Wow! Asteroid Ryugu's Rubbly Surface Pops in Best-Ever Photo by StarDust
https://www.space.com/41973-hayabusa2-best-photo-asteroid-ryugu.html?utm_source=quora&utm_medium=referral No alien here? ET come home!
September 29th 18 09:49 AM
by StarDust Go to last post
0 603
Lunar pass by Gerald Kelleher
Time lapse is amazing as it displays daily rotation via the shadows and the orbital surface rotation as the Sun descends below the local horizon once a year...
September 28th 18 11:15 PM
by Gerald Kelleher Go to last post
0 410
Why Ryugu? by StarDust
So why the Japs picked this asteroid? Because it's path?
September 28th 18 09:50 PM
by Gerald Kelleher Go to last post
8 673
Hayabusa 2 rovers send new images from Ryugu surface by StarDust
https://www.bbc.com/news/science-environment-45667350 Looks like my backyard under construction! (o:
September 28th 18 01:37 AM
by StarDust Go to last post
2 533
Astronomy and geometry by Gerald Kelleher
Our ancestors loved geometric progressions and especially those related to the Phi proportion which distinguishes our planet from any other by the variety of...
September 27th 18 06:56 PM
by Gerald Kelleher Go to last post
1 475
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