Fifteen Eighty Four


Tag Archives: NASA

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  • 8 Apr 2021
    Wallace Arthur

    Martian helicopter, Martian atmosphere, Martian life?

    Wallace Arthur, author of The Biological Universe, examines the link between the flight of the Mars helicopter Ingenuity and the possible existence of past life on the red planet.

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  • 20 Jul 2019
    Theo Gerkema

    A mirror on the Moon: 50th anniversary of the Apollo-11 mission

      In this memorable photograph (courtesy of NASA), we see astronaut Buzz Aldrin holding in his right hand a sophisticated mirror: the Laser Ranging Retro-Reflector (LR3). This mirror has now been standing on the Moon for 50 years. By sending a laser beam from the Earth to the mirror, and measuring the time it takes […]

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  • 11 May 2018
    100 Years of Richard Feynman - 'Tufte's Feynman Diagrams' courtesy of Jeff Eaton via Flikr
    Tony Hey

    A Hundred Years of Richard Feynman

    For the 100th anniversary of Richard Feynman's birth Tony Hey author of The New Quantum Universe 2nd Edition, 2003 looks at the accomplishments and legacy of this infamous physicist as well as his personal and professional history with Richard Feynman

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  • 11 Jan 2018
    Nellis - blog Uranus and Neptune
    William J. Nellis

    The Magnetic Fields of Uranus and Neptune

    William Nellis author of Ultracondensed Matter by Dynamic Compression, 2017, discusses how the discoveries of NASA's Voyager Mission changed what we thought we knew about the magnetic fields of gas giants Neptune and Uranus.

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  • 16 Mar 2010

    Our Changing Planet Picks

    Congratulations to Michael D. King, Claire L. Parkinson, Kim C. Partington, and Robin G. Williams, editors of Our Changing Planet: The View from Space for winning the Best of Show 2009-2010 and Distinguished Technical Communication 2009-2010 Awards by the Society of Technical Communication.

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  • 23 Nov 2009

    Beautiful NASA video of weather systems

    Via Gizmodo: a gorgeous NASA composite of weather systems on earth, developed at Goddard with the Earth System Modeling Framework.

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  • 13 Nov 2009

    Water on the Moon!

    Remember NASA’s LCROSS probe that smacked into the lunar pole a little while back? Analysis of the dust kicked up showed “significant amounts” of water! Nice work, folks. The report >>

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  • 21 Oct 2008
    Shahn Majid

    NASA Space Telescope to Test New Theory of Space and Time

    Is it impossible to pin down both where and when an event takes place, due to quantum gravity effects? Shahn Majid explains why this may be. In these posts I have emphasized ideas on the cutting edge of fundamental science which have testable predictions or other contact with experiment, rather than being merely fashionable. Now, […]

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