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Jonathan O'Callaghan

London

Journalist at Freelance

British Science Journalist of the Year 2024. Words @NewScientist @SciAm @NYTimes @QuantaMagazine @Nature @WIRED + more. Sometimes on TV/Radio. [email protected]

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Articles

  • 3 weeks ago | scientificamerican.com | Jonathan O'Callaghan

    Launched in December 2021 after three decades of development and at a cost of some $10 billion, NASA’s James Webb Space Telescope (JWST) is one of the biggest investments ever made in astronomy. That investment has already paid off enormously: the telescope is revealing incredible new details of the early universe, distant galaxies, potentially habitable exoplanets and even familiar objects in our solar system.

  • 4 weeks ago | heise.de | Jonathan O'Callaghan

    Wenn sich die Bedingungen verbessert haben, soll die Spectrum-Rakete von Isar Aerospace so bald wie möglich von einem Standort auf der zugefrorenen Insel Andøya in Norwegen aus starten. Dort wurde ein Weltraumbahnhof für kleine, kommerzielle Raketen gebaut. Spectrum ist die erste Rakete, die diesen Versuch unternimmt. "Das ist ein großer Meilenstein", sagt Jonathan McDowell, Astronom und Raumfahrtexperte am Harvard-Smithsonian Center for Astrophysics in Massachusetts.

  • 1 month ago | technologyreview.jp | Jonathan O'Callaghan

    宇宙 Insider Online限定 Europe is finally getting serious about commercial rockets 欧州はこれまで、商用ロケットの打ち上げで米国に後れを取ってきた。世界的な政治的緊張が高まる中、ロケット打ち上げの米国依存に終止符を打つべく、欧州のいくつかの企業がロケット開発・打ち上げの取り組みを進めている。 by Jonathan O'Callaghan2025.03.24 0 この記事の3つのポイント 欧州の企業数社が独自のロケット打ち上げを計画している 欧州は長年商用宇宙開発で米国に後れをとってきた 欧州は米国への依存を減らし独自のロケット産業を目指す summarized by Claude 3 欧州は、商用宇宙テクノロジーの新たな幕開けを迎えようとしている。世界的な政治的緊張が高まり、米国との関係がますます緊迫する中、米国製ロケットへの依存を減らすべく、欧州の企業数社が独自の打ち上げを計画している。 ドイツ・ミュンヘンに拠点を置くイザール・エアロスペース(Isar...

  • 1 month ago | ksml.fi | Jonathan O'Callaghan

    Kansainvälinen tutkijaryhmä kehittää Marsin evoluutiota kuvaavaa mallia, joka voisi paljastaa osan sen pitkäaikaisista salaisuuksista, muun muassa sen, onko planeetalla ollut joskus elämää. François Forget, avaruustutkija Pierre Simon Laplace -instituutista Ranskasta, etsii vastauksia näihin kysymyksiin. Hän ei ole aikamatkustaja, mutta hän tavoittelee lähes vastaavaa urotekoa.

  • 1 month ago | technologyreview.es | Jonathan O'Callaghan

    Europa está al borde de una nueva era en tecnología espacial comercial. A medida que las tensiones políticas mundiales se intensifican y las relaciones con Estados Unidos se vuelven cada vez más tensas, varias empresas europeas ahora planean realizar sus propios lanzamientos en un intento por reducir la dependencia del continente de los cohetes estadounidenses.

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Jonathan O’Callaghan
Jonathan O’Callaghan @Astro_Jonny
10 Apr 25

Is anyone planning observations of the brightness of the Project Kuiper satellites on the upcoming Atlas V launch? How soon are we expecting to get brightness measurements post-launch?

Jonathan O’Callaghan
Jonathan O’Callaghan @Astro_Jonny
4 Apr 25

JWST's 4th year of science has been revealed, including white dwarfs, little red galaxies, red dwarf planets, and more. Plus, an amazing investigation of a comet that hit Jupiter 30 years ago. Super fun to write this one for @SciAm. Enjoy! https://t.co/z5B6kfQX8g

Jonathan O’Callaghan
Jonathan O’Callaghan @Astro_Jonny
1 Apr 25

An impact that rocked the Moon 3.81 billion years ago sent two Grand Canyon-sized families tearing away from the event in minutes - and, crucially, away from where we plan to send humans. Story by me in @AGU_Eos https://t.co/rVLWwU8r35