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  • Gone with the wind The discovery of a planet orbiting our nearest star, Proxima Centuri, is a jewel in the crown of exoplanetary science. Further gilded by its location in the "habitable" zone, where ...
    Posted Aug 1, 2017, 6:52 AM by Jeremy Drake
  • Check the space weather before packing The remarkable TRAPPIST-1 system is now know to host at least seven planets, three of which reside in the so-called temperate or "habitable zone", where surface temperatures should ...
    Posted Jul 17, 2017, 7:36 AM by Jeremy Drake
  • Your new vacation home on Proxima b just got cheaper! The term "habitable zone" used to be an esoteric concept on the fringes of astrophysics, describing the region around a star in which a planet could support liquid water.  The ...
    Posted Jan 11, 2017, 8:48 AM by Jeremy Drake
  • Sculpting a nova explosion using a supercomputer Several postings within these pages have discussed new observations and insights into nova explosions. The term "nova" derives from 16th century astronomer Tycho Brahe's nova stella - "new star" - description ...
    Posted Jan 6, 2017, 7:52 AM by Jeremy Drake
  • Plus ça change... Our nearest stellar neighbour, the aptly monickered Proxima (actually dubbed "Proxima Centurus" by its discoverer, Robert Innes, of the Union Observatory in Johannesburg), shot to stardom recently after having been ...
    Posted Jan 5, 2017, 9:28 AM by Jeremy Drake
  • The actually quite large red CME that couldn't Stars like the Sun have strong surface magnetic fields that harbour substantial amounts of energy.  The energy builds up as the fields are twisted and stretched by the turbulence and ...
    Posted Nov 5, 2016, 6:53 AM by Jeremy Drake
  • Old red dwarfs teach us new tricks Study of the so-called "magnetic activity" of stars like the Sun dates back to early Chinese astronomers who made naked eye observations of sunspots at least as early as ...
    Posted Jul 28, 2016, 1:19 AM by Jeremy Drake
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