Jonathan O’CallaghanOvjeren akaunt

@Astro_Jonny

Freelance Space Journalist. Words + more. Occasional TV/radio appearances on et al. jdaoca@gmail.com

London, UK
Vrijeme pridruživanja: rujan 2011.

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  1. Prikvačeni tweet

    Scientists just released the highest resolution images of the Sun ever taken - heralding a new "golden age" of solar research in the 2020s. Words, by me,

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  2. These are very nice. Am I about to pre-order... stamps?

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  3. proslijedio/la je Tweet

    More than 1,500 astronomers have now signed a petition calling for mega constellations like SpaceX's Starlink to be stopped, potentially via legal action, before their impact on astronomy can be assessed. Story from me

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  4. Is this the closest pass of a Starlink satellite to the ISS? I can't think of a closer one.

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  5. Looks like Starlink-60 is just outside the distance that would require a maneuver from the International Space Station later tonight. Interesting how close it's getting, though.

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  6. U.K. launch startup has tested a new rocket engine that uses "greener" fuel in the form of waste plastic, as it moves towards its planned first orbital launch in 2022. Words by me

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  7. Good article this from on recent Starlink/astronomy discussions at the AAS meeting in January.

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  8. proslijedio/la je Tweet
    4. velj

    SpaceX has filed with the FCC for a 20 kilometer hop with Starship out of Boca Chica, Texas. The filing is for March 16 - September 16, so you know, block off your entire calendar basically

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  12. More than 1,500 astronomers have now signed a petition calling for mega constellations like SpaceX's Starlink to be stopped, potentially via legal action, before their impact on astronomy can be assessed. Story from me

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  13. proslijedio/la je Tweet
    3. velj

    For the past three years, I've been following a rocket start up in secret. Today, we told a little of their story for the first time. They been making this thing in freaking Alameda and no one noticed.

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  14. proslijedio/la je Tweet
    3. velj

    Speaking to for made me realise what an exciting time it is to be a solar physicist, especially for early career researchers, with the likes of and 🌞🛰

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  15. "The head of Roscosmos, Dmitry Rogozin, told reporters that the reason for the hole is clear, but it is not planned to open it to the public." Hmm.

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  16. UK-based launch company completed an engine test last week. First launch for their orbital rocket planned for 2022.

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  17. Submitted some of my articles from last year for some awards. Very much looking forward forward to putting "Award-submitted journalist" in my bio.

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  18. Good coverage here from about a meeting in the UK last week to discuss astronomers' mega constellation concerns with SpaceX and OneWeb.

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  19. Question: Why do we call them gas giants, when they are mostly liquid?

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  20. Another successful launch for , and another step closer to reusing their rockets (by catching them with a helicopter, natch). Words by me

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