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  1. Feedback about this new open Satellite Orbit Propagation Service …

    Jan 17, 2026 · XPropagator - Satellite Orbit Propagation Service exposing the official USSF SGP4/SGP4-XP propagator via gRPC API - designed for SSA pipelines. Offers catalog-scale …

  2. User Adám - Space Exploration Stack Exchange

    Feb 1, 2018 · Q&A for spacecraft operators, scientists, engineers, and enthusiasts

  3. radiation - Will we all be in voluntary ketosis on Mars? - Space ...

    Jun 11, 2017 · The EurekAlert! NASA mission tests ketogenic diet undersea, simulating life on Mars University of South Florida researcher will be in nutritional ketosis during NEEMO 22 mission packs a …

  4. What did the Soviet Union and Russia bring to the ISS?

    May 29, 2018 · @horsh Without the "Communist" (well, Leninist) rapid industrialisation of Russia and Russian spacefaring experience, the Yeltsin kleptocracy of a government could not have contributed …

  5. crewed spaceflight - If the astronauts on Apollo 11 had landed safely ...

    May 24, 2017 · If the astronauts on Apollo 11 had landed safely on the moon but could not take off, would there have been a rescue mission?

  6. Why is it assumed that space flights have to be safe?

    Jul 3, 2022 · The astronauts who flew on the Hubble repair missions thought that their work to enable the great science that Hubble collects is worth the risk of life, but a proposed mission to recover …

  7. What will happen to human body when affected by two opposing G …

    Feb 10, 2020 · You can actually experience it yourself. Take for instance an ice-skating athlete, when they perform one of those spinning numbers: the g force in one hand is minus the g force in the …

  8. standards - Why are spacecraft assembled in cleanrooms? - Space ...

    Aug 19, 2013 · I would not consider bacterial nor static build-up / discharge the main or even relatively important reasons for building spacecraft in cleanrooms. Most spacecraft are not looking for life or at …

  9. launch - Has Max-Q historically been a common failure point in rocket ...

    Apr 21, 2017 · I've seen videos of many launches which fail with rapid disassembly before this point, but can't really recall that Max-Q is a statistically large factor in rocket launch failures. Am I mistaken, or …

  10. Alternative small mass payload transportation from the moon to L5 ...

    May 23, 2021 · This is an opportunity to alternate prograde and retrograde launches continuously in rapid succession. Or the energy could be stored for the next prograde oscillation. Fly fishermen will …