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← A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done.
10 connected korrents · 8 moments from 4 Mar 2021 to 18 Aug 2026.
Everything filed under space
space Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done. 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
MC
Maciej Cegłowski — holds since 2023-01-01 — tap for who they are
Same subject: The real obstacle to a Mars landing is closed-loop life support, not propulsion. — tap to centre the map on it The real obstacle to a Mars landing is closed-loop life support, not propulsion. Last stated 4 years ago
1 Jan 2023
MC
Maciej Cegłowski — holds since 2023-01-01 — tap for who they are
Same subject: A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. — tap to centre the map on it A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. Last stated 2 months ago
18 Aug 2026
CH
Casey Handmer — holds since 2025-10-31 — tap for who they are
EB
Eric Berger — holds since 2026-08-18 — 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 3 years ago
22 Apr 2024
SC
Sean Carroll — holds since 2024-04-22 — tap for who they are
Same subject: A kilometre-wide telescope assembled in space out of mass-produced mirror satellites would cost about what JWST cost. — tap to centre the map on it 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: 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
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 3 years ago
25 Mar 2024
BC
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 3 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 3 years ago
25 Mar 2024
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Brian G. Chow — holds since 2024-03-25 — tap for who they are