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← A kilometre-wide telescope assembled in space out of mass-produced…
9 connected korrents · 7 moments on record from 4 Mar 2021 to 8 May 2026.
Everything filed under space
space Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: A kilometre-wide telescope assembled in space out of mass-produced mirror satellites would cost about what JWST cost. A kilometre-wide telescope assembled in space out of mass-produced mirror satellites would cost about what JWST cost. Last stated 2 years ago
30 Nov 2024
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Casey Handmer — holds since 2024-11-30 — tap for who they are
Same subject: A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done. — tap to centre the map on it A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done. Last stated 4 years ago
1 Jan 2023
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Maciej Cegłowski — holds since 2023-01-01 — tap for who they are
Same subject: A great filter is a weak explanation for the silence, because it would have to work every single time — one civilization with self-replicating probes could fill the galaxy. — tap to centre the map on it A great filter is a weak explanation for the silence, because it would have to work every single time — one civilization with self-replicating probes could fill the galaxy. Last stated 2 years ago
22 Apr 2024
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Sean Carroll — holds since 2024-04-22 — tap for who they are
Same subject: A lunar mass driver cannot pay for itself by cutting launch costs, because launch is already a small part of what an orbital computer costs. — tap to centre the map on it A lunar mass driver cannot pay for itself by cutting launch costs, because launch is already a small part of what an orbital computer costs. Last stated 4 months ago
8 May 2026
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Casey Handmer — holds since 2026-05-08 — tap for who they are
Same subject: Dual-use robotic servicing spacecraft, not missiles or lasers, will be the anti-satellite weapon of choice. — tap to centre the map on it Dual-use robotic servicing spacecraft, not missiles or lasers, will be the anti-satellite weapon of choice. Last stated 2 years ago
25 Mar 2024
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Brian G. Chow — holds since 2024-03-25 — tap for who they are
Same subject: Satellites need self-defence zones: a keep-out rule around them is the only workable arms control in orbit. — tap to centre the map on it Satellites need self-defence zones: a keep-out rule around them is the only workable arms control in orbit. Last stated 2 years ago
25 Mar 2024
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Brian G. Chow — holds since 2024-03-25 — tap for who they are
Same subject: The Pentagon has never said publicly which anti-satellite weapons it is preparing against, which means it may not know. — tap to centre the map on it The Pentagon has never said publicly which anti-satellite weapons it is preparing against, which means it may not know. Last stated 2 years ago
25 Mar 2024
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Brian G. Chow — holds since 2024-03-25 — tap for who they are
Same subject: NASA can still be reorganised into an agency that exploits cheap heavy lift, and the next administrator will decide whether it is. — tap to centre the map on it NASA can still be reorganised into an agency that exploits cheap heavy lift, and the next administrator will decide whether it is. Last stated 2 years ago
2 Oct 2024
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Casey Handmer — holds since 2021-03-04 — tap for who they are
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Casey Handmer — no longer holds since 2024-10-02 — tap for who they are
Same subject: NASA's flagship programmes eat the budget of the robotic science missions that actually make the discoveries. — tap to centre the map on it NASA's flagship programmes eat the budget of the robotic science missions that actually make the discoveries. Last stated 2 years ago
2 Oct 2024
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Casey Handmer — holds since 2024-10-02 — tap for who they are
Same subject: NASA's Space Launch System has consumed more than a hundred billion dollars and delivered almost nothing. — tap to centre the map on it NASA's Space Launch System has consumed more than a hundred billion dollars and delivered almost nothing. Last stated 2 years ago
2 Oct 2024
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Casey Handmer — holds since 2024-10-02 — tap for who they are