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Countdown to Launch of Billion-Star Surveyor

gaia astrometry milky way esa.

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#1    Waspie_Dwarf

Waspie_Dwarf

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Posted 21 October 2013 - 02:59 PM

Countdown to launch of ESA’s billion-star surveyor


www.esa.int said:

21 October 2013 ESA’s billion-star surveyor Gaia will be launched from Europe’s spaceport in Kourou on 20 November to begin a five-year mission to map the stars with unprecedented precision.

Gaia’s main goal is to create a highly accurate 3D map of our Milky Way Galaxy by repeatedly observing a billion stars to determine their positions in space and their movement through it.

Other measurements will assess the vital physical properties of each star, including temperature, luminosity and composition. The resulting census will allow astronomers to determine the origin and the evolution of our Galaxy.    

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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

  • 30,917 posts
  • Joined:03 Mar 2006
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  • We are all in the gutter, but some of us are looking at the stars.

    Oscar Wilde

Posted 21 October 2013 - 03:01 PM


Gaia sunshield deployment time lapse sequence

A time lapse sequence, at 7 times actual speed, showing the deployment of Gaia's sunshield during testing in the S1B integration building at Europe's Spaceport in Kourou, French Guiana, on 10 October 2013.

Credit: ESA

Source: ESA - Space in Videos

"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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#3    Waspie_Dwarf

Waspie_Dwarf

    Space Cadet

  • 30,917 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 21 October 2013 - 03:04 PM


Gaia sunshield deployment test

A time lapse sequence, at 7 times actual speed, showing the deployment of Gaia's sunshield during testing in the S1B integration building at Europe's Spaceport in Kourou, French Guiana, on 10 October 2013.

Credit: ESA

Source: ESA - Space in Videos

"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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#4    Waspie_Dwarf

Waspie_Dwarf

    Space Cadet

  • 30,917 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 21 October 2013 - 03:06 PM


Gaia sunshield deployment test

Movie showing the deployment of Gaia's solar array and sunshield.

Credit: ESA

Source: ESA - Space in Videos

"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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Also tagged with gaia, astrometry, milky way, esa.

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