One Blue Planet

Alastair Isaacs
The latest in space and physics, made clear. For everyone who wants to stay informed.
Created 17 Nov 2020
  • The Week in Space and Physics
    16 Nov 2021 • 6 min read
    Credit: C. Stephan/ESO It’s not, normally, the kind of thing that attracts much attention. A few million miles from Earth lies a small red rock, roughly forty meters across, tumbling gently around the...
  • In Depth: The Sun and Superflares
    12 Nov 2021 • 8 min read • 2 1
    Coronal loops arc over the surface of the Sun, shortly after a solar flare erupted. Credit: NASA/GSFC/TRACE. Image shared under CC BY 2.0. It all began on October 22nd, when a part of the Sun suddenly...
  • The Week in Space and Physics
    09 Nov 2021 • 5 min read • 3 1
    The Thirty Meter Telescope. Image credit: TMT International Observatory. Just over a month from now the James Webb Space Telescope will head skyward, unfurl its giant mirror and begin scanning the cos...
  • The Week in Space and Physics
    02 Nov 2021 • 5 min read • 2 0
    Hubble captures a smoky dying star. Image credit: ESA/Hubble & NASA, T. Ueta, H. Kim; CC BY 4.0 Of the dozens of subatomic particles, one stands out as especially mysterious. The neutrino – a particle...
  • A Brutal Winter Dawns on Pluto
    29 Oct 2021 • 4 min read • 3 0
    Sunset over Pluto. Credit: NASA/JHUAPL/SwRI Clyde Tombaugh, rather fittingly, discovered Pluto in the midst of winter. Two photographs were taken: the first on January 23, 1930, the second a week late...
  • The Week in Space and Physics
    26 Oct 2021 • 5 min read • 3 0
    Credit: ESO/M. Kornmesser. Shared under CC BY 2.0. For decades men and women have searched the skies for alien radio signals. That this has so far proved fruitless is perhaps not all that surprising. ...
  • The Missing Black Holes
    22 Oct 2021 • 5 min read • 2 0
    The black hole at the heart of M87. Credit: Event Horizon Telescope Collaboration We can’t, of course, see a black hole. They are, by definition, the darkest possible objects in the universe. They emi...
  • The Week in Space and Physics
    20 Oct 2021 • 5 min read • 3 0
    Lucy takes off, beginning a decade long odyssey. Credit: NASA/Bill Ingalls. Shared under CC BY-NC-ND 2.0. Over the years astronomers have come up with all sorts of clever ways to spot distant planets....
  • Cosmologists Puzzle Over the Mystery of Dark Energy
    14 Oct 2021 • 5 min read • 3 2
    Back in 1998, astronomers discovered something puzzling about the universe. It was, the motion of distant supernova seemed to show, not only expanding – something well established for decades – but ac...
  • The Week in Space and Physics
    12 Oct 2021 • 5 min read • 3 0
    Jezero Crater, Mars, seen from above. The trace of an ancient river can clearly be seen on the left. Credit: ESA/DLR/FU-Berlin. Zoom in on a sheet of glass, close enough to pick out the atoms and the ...
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