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Eclipsing Exoplanet Seen in X-rays

exoplanets hot jupiters hd 189733b chandra xmm newton

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#1    Waspie_Dwarf

Waspie_Dwarf

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Posted 29 July 2013 - 08:24 PM

NASA's Chandra Sees Eclipsing Planet in X-rays for First Time



www.nasa.gov said:

For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.

An advantageous alignment of a planet and its parent star in the system HD 189733, which is 63 light-years from Earth, enabled NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM Newton Observatory to observe a dip in X-ray intensity as the planet transited the star.

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"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#2    Waspie_Dwarf

Waspie_Dwarf

    Space Cadet

  • 32,100 posts
  • Joined:03 Mar 2006
  • Gender:Male
  • Location:Bexleyheath, Kent, UK

  • We are all in the gutter, but some of us are looking at the stars.

    Oscar Wilde

Posted 06 August 2013 - 06:19 AM


HD 189733 in 60 Seconds

NASA's Chandra Sees Eclipsing Planet in X-rays for First Time.

Credit: NASA/CXC/SAO

Source: Chandra - Podcasts

"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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