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Last post by TheGreenGoblin
Sun Dec 06, 2020 9:29 am
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Hayabusa2 returns sample and resumes mission!
Replies: 2
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TheGreenGoblin » Sat Dec 05, 2020 7:11 pm
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Samples taken by Japan’s Hayabusa2 spacecraft of a distant asteroid have arrived back on Earth, the country’s space agency has said.
It is the first...
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Hayabusa2_Capsule-1.jpg
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Last post by TheGreenGoblin
Sun Dec 06, 2020 9:23 am
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NASA launches U.S.-European satellite to track sea level rise
Replies: 3
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PHXPhlyer » Sun Nov 22, 2020 8:52 pm
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NASA launches U.S.-European satellite to track sea level rise
NASA launches U.S.-European satellite to track sea level rise
The Sentinel-6...
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WGS84.
That's the spheroid to which they relate the geoid. Actual sea level is then related to the deduced geoid.
Land upheaval, either positive or...
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Last post by Undried Plum
Mon Nov 23, 2020 8:30 am
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Britain in on a bankrupt broadband company...
Replies: 3
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TheGreenGoblin » Sat Jul 04, 2020 1:18 am
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Talk of about ideology trumping technological sense. As for using this constellation for accurate military grade GPS, it is akin to grafting an...
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Satellite firm OneWeb out of bankruptcy as shared UK takeover deal is complete
But with only 74 satellites in orbit at present, the firm will...
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Last post by TheGreenGoblin
Fri Nov 20, 2020 6:07 pm
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Launch failure
Replies: 7
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OFSO » Tue Nov 17, 2020 6:41 am
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An Ariane and payload of two spacecraft lost in a rare launch failure last night. Trajectory deviation, I'd guess the Range Safety Officer hit the...
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Mega OOPS! #-o :-o :(( :)) =))
PP
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Last post by PHXPhlyer
Tue Nov 17, 2020 9:32 pm
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CLX7791 PIK LUX B744
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G-CPTN » Mon Nov 16, 2020 3:31 pm
Just passed overhead a few minutes ago - not something I have seen before - apparently from Mexico via Houston.
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Last post by G-CPTN
Mon Nov 16, 2020 3:31 pm
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NASA reveals direct evidence of water on the moon...
Replies: 3
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TheGreenGoblin » Mon Oct 26, 2020 5:40 pm
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Scientists have gathered some of the most compelling evidence yet for the existence of water on the moon – and it may be relatively accessible. The...
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If there is no atmosphere to retain water vapour, surely it is only a matter of time before all water evaporates?
Moon water ice will sublimate in...
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Last post by TheGreenGoblin
Mon Oct 26, 2020 6:47 pm
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Black hole absorbs/eats star...
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TheGreenGoblin » Mon Oct 12, 2020 1:37 pm
The unusual “tidal disruption event” was visible in telescopes across the world. It appeared as a bright flare of energy, the closest of its kind...
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Last post by TheGreenGoblin
Mon Oct 12, 2020 1:37 pm
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Calling a Cosmologist
Replies: 25
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Boac » Sun Apr 26, 2020 8:09 am
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OK - an interesting prog on Hubble the other night on't tele. Raises, of course, questions:
1) How is the Hubble steered? Is it propellant or gyro...
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Some interesting words on Roger Penrose, well deserved 2020 winner of the Nobel Prize for Physics. (shared with Reinhard Genzel and Andrea Ghez)....
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Last post by TheGreenGoblin
Sun Oct 11, 2020 7:56 am
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Astronomy 101
Replies: 7
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TheGreenGoblin » Sun Sep 06, 2020 2:14 am
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Lightning David, not lightening aaargh...!
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I’ve recently retired after a 40 year career in computer software development, where I helped build operating systems, parallel operating systems,...
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Last post by ian16th
Sun Sep 06, 2020 2:04 pm
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This is the end my friend...
Replies: 18
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TheGreenGoblin » Mon Aug 17, 2020 7:12 pm
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The end is all a matter of the speed of degeneracy.
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I thought that investor intelligence constituted the black hole at the centre of most galaxies...
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Last post by TheGreenGoblin
Thu Aug 20, 2020 6:11 am
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SpaceX Raptor engine.
Replies: 8
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TheGreenGoblin » Sun Jun 07, 2020 10:49 am
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For those who have the time to go full nerd for over 40 minutes.
He wears a cap (fortunately it is not back to front nor is it a MAGA cap) and has a...
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With the help of Wiki, I THINK:
Phew! It looks as if SN5 may just be a simple test vehicle for either the booster OR the Mars lander - not sure...
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Last post by TheGreenGoblin
Thu Aug 06, 2020 4:35 pm
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Last post by TheGreenGoblin
Fri Jul 24, 2020 10:36 am
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Beidou Complete
Replies: 11
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TheGreenGoblin » Tue Jun 23, 2020 6:28 am
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China has launched the final satellite in its Beidou constellation that emulates the US Global Positioning System (GPS), marking a further step in...
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As an aside I have always been irritated that Clarke saw fit to turn Jupiter into a sun when it is clearly about 10 times too small to ever achieve...
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Last post by llondel
Sat Jun 27, 2020 3:13 am
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The Shetlands join the Space Race
Replies: 1
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TheGreenGoblin » Tue Jun 16, 2020 12:41 pm
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The Shetland Islands have had their first sub-orbital rocket launched last weekend.
A 2m rocket called the Skylark Nano launched from the islands...
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As much as I am a Space Enthusiast or even nerd or cadet, I must admit that based upon personal experience of living near a rocket range I would not...
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Last post by TheGreenGoblin
Tue Jun 16, 2020 1:09 pm
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New Zealand in Space....
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TheGreenGoblin » Sun Jun 07, 2020 1:48 pm
RocketLab-F9-SimonMoffatt-SamToms-LowRes4.jpg
Rocket Lab’s “Don’t Stop Me Now” mission, launching from their Launch Complex 1 situated on the...
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Last post by TheGreenGoblin
Sun Jun 07, 2020 1:48 pm
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Turbopump nightmare...
Replies: 14
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TheGreenGoblin » Sat May 16, 2020 7:11 am
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As is my wont I had a bizarre dream last night, you know the type, where you are sitting a final exam in something and haven't a clue about the...
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Former staffer at the European Space Agency, 1968-1993. Lots of stories I sadly can't relate if I want to keep my pension.
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Last post by OFSO
Fri May 22, 2020 5:21 pm
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Starlink
Replies: 5
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Boac » Sun May 10, 2020 8:06 am
Such a staggering project I'm sure it merits a thread of its own!
OK - I know that space is 'big' and all about spherical volumes (more than anyone...
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Last post by TheGreenGoblin
Sun May 17, 2020 4:53 pm
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Last night
Replies: 9
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Boac » Tue May 12, 2020 11:08 am
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Beautiful clear sky around 2230 in the south, a fabulous stream of Starlinks and north-south sats PLUS a huge meteorite crossing most of the sky SE...
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Also worth a look...
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Last post by TheGreenGoblin
Tue May 12, 2020 5:13 pm
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Last post by TheGreenGoblin
Tue May 12, 2020 10:08 am
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Last post by TheGreenGoblin
Mon May 11, 2020 5:49 am
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Long March launch
Replies: 1
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TheGreenGoblin » Tue May 05, 2020 4:52 pm
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China's new large carrier rocket Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned...
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Partial mission failure...
An experimental cargo return craft launched as a secondary payload on China’s Long March 5B rocket malfunctioned during...
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Last post by TheGreenGoblin
Fri May 08, 2020 4:10 pm
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Emergency escape mechanisms in the atmosphere and in space...
Replies: 25
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TheGreenGoblin » Tue May 05, 2020 8:30 am
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This is the place to come to discuss the subject noted above.
I kick off with escape in extremis in space where a spacecraft or escape vehicle is...
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That was what switched them from three unsuited cosmonauts to two suited ones (couldn't fit three in the same space). Some sort of depressurisation...
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Last post by Rwy in Sight
Wed May 06, 2020 4:53 am
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Last post by TheGreenGoblin
Fri Apr 24, 2020 3:02 pm
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13 minutes to the Moon..
Replies: 14
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TheGreenGoblin » Mon Apr 13, 2020 12:51 pm
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Have been listening to this series on the BBC World Service in tribute to the astronauts of Apollo 13, 50 years after their extraordinary escape from...
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I hadn't appreciated what an important role the Australians played in saving the Apollo 13 mission ...
The little-known role Australia played in...
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Last post by TheGreenGoblin
Sat Apr 18, 2020 2:21 am
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