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  • 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
  • X-ray pulsar takes the plunge Smithsonian astrophysicist Vallia Antoniou and University of Crete astronomer Andreas Zezas are leading an international team studying the Small Magellanic Cloud using an extensive series of observations made by the ...
    Posted Jul 27, 2016, 6:41 AM by Jeremy Drake
  • Blast in Scorpius: an overture to a supernova? The fastest nova in town featured in an earlier posting detailed the fascinatingly rapid evolution of the V745 Scorpii event followed in the UV and X-rays by NASA's ...
    Posted Jul 27, 2016, 3:03 AM by Jeremy Drake
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