Donald F. Robertson

@DonaldFR

Traveler down the long road to spacefaring civilizations. Professional writer, musician, dancer, and a decidedly non-professional flying trapeze artist.

Vrijeme pridruživanja: svibanj 2010.

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  1. Prikvačeni tweet
    15. lip 2018.

    I re-tweet and comment about global commercial launch industry, commercial orbital infrastructure, extraterrestrial resources - things required to evolve spacefaring civiliation. Occasionally, I post other material of interest to me. Tweets usually reflect my opinion.

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  2. proslijedio/la je Tweet
    prije 1 sat

    Some updates on PLD Space: - Miura 1 maiden flight booked, but date TBD - engine anomaly from 2019 understood and fixed - New hire w/ SpaceX, ESA and Arianespace xp - Suborbital (Spain) and orbital (French Guiana) launch sites picked

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  3. proslijedio/la je Tweet
    prije 13 sati

    SpaceX ramps Starship hiring as Elon Musk talks Texas rocket factory's "awesome" progress

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  4. proslijedio/la je Tweet
    prije 13 sati

    : More great news for the industry as UK company gets the go-ahead to produce a spacecraft for the .

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  5. proslijedio/la je Tweet

    Rogozin: The new Russian spaceship will have a completely new two-stage intelligent launch escape system. According to his words, at the final stage of the launch it will have enough energy to lift the ship to a safe orbit on its own engines.

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  6. proslijedio/la je Tweet
    prije 23 sata

    Tim Ellis, Relativity: one key factor in our vehicle design is decision to move to a larger fairing, to accommodate larger payloads. We will have one of the lowest prices on a $-per-cubic-meter of payload volume.

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  7. proslijedio/la je Tweet
    4. velj
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  8. proslijedio/la je Tweet
    4. velj
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  9. proslijedio/la je Tweet
    3. velj

    The Very Large Telescope by the European Space Agency also observed . Will be able to determine if the star's radius expanded. Bigger star --> cooler surface temperature --> lower luminosity🌟. Or constant radius but instead a dust cloud in front?🌤️

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  10. proslijedio/la je Tweet

    Sol 421: Instrument Context Camera (ICC), taken at 16:00:40.020 (local true solar time)

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  11. proslijedio/la je Tweet
    2. velj

    Now at 37% of my usual brightness!

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  12. proslijedio/la je Tweet
    2. velj

    Soyuz-2 1B for Baikonur launch Feb 6, 21:42 UTC will be moved to the launchpad at 02:30 UTC tomorrow (Feb 3) Mission notes:

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  13. proslijedio/la je Tweet
    2. velj

    Due to the threat of Chinese coronavirus the doctors are considering the possibility of introducing an additional week of quarantine for the crew, said Oleg Kotov, the Deputy Director of the Institute of medical and biological problems.

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  14. proslijedio/la je Tweet
    1. velj
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  15. proslijedio/la je Tweet
    31. sij

    One of these days will turn back and looks at Carl Sagan’s pale blue dot like the voyager 1 did to remind us that although how insignificant we are we can achieve such significant things instead of hurting and killing each other. Thank you

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  16. proslijedio/la je Tweet

    🚀A new batch of research launches to the in March! is targeting liftoff of its Falcon 9 rocket and Dragon capsule for no earlier than 1:45am ET on March 2. Media accreditation is now open:

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  17. proslijedio/la je Tweet

    The I spacecraft is halfway through its thermal vacuum testing at Plum Brook in Ohio! & member are gathering data on Orion's performance in simulated deep space conditions. via

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  18. proslijedio/la je Tweet
    31. sij

    The infrared eyes of the Spitzer space telescope found a ring of Saturn and a star system with 7 Earth-size worlds. It contributed to more than 8,700 research papers by astronomers.

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  19. proslijedio/la je Tweet
    31. sij

    A light-class Electron launcher built and owned by Rocket Lab has fired into orbit from a privately-owned spaceport in New Zealand with a top secret payload for the National Reconnaissance Office, the US government’s spy satellite agency. FULL STORY:

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  20. proslijedio/la je Tweet
    31. sij

    Northrop Grumman’s 13th Cargo Resupply Mission to Carry Multiple R&D Payloads Sponsored by the ISS National Lab

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  21. proslijedio/la je Tweet
    31. sij

    Outside the US, the country with the most vibrant commercial space startup industry may be China, with dozens of firms established in just the last few years. A recent report examined the size and growth potential of Chinese entrepreneurial space.

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