Gaia: Taking the Galactic Census
http://data.open.ac.uk/openlearn/science-maths-technology/science/physics-and-astronomy/gaia-taking-the-galactic-census
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created Wed, 07 Aug 2013 14:06:00 +0100
Published Wed, 07 Aug 2013 14:06:00 +0100
modified Wed, 07 Aug 2013 14:06:00 +0100
Language en-GB
Large Uc-pi2
Small star_motion_ats.jpg
Depiction star_motion_ats.jpg
ID 137489
From 201608?type=ole_article&page=5
Term Physics and Astronomy
Term
  • Physics
  • Astronomy
  • Science
tag
  • Milky Way
  • galaxies
  • dark matter
  • Gaia
License Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University
Type
Label Gaia: Taking the Galactic Census
Title Gaia: Taking the Galactic Census
Description
  • We know how many stars there are in the Milky Way, but how do we know how far they are?
  • We know how many stars there are in the Milky Way, but how do we know how far they are? <link rel="canonical" href="http://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/gaia-taking-the-galactic-census" /> Professor Gerry Gilmore. Gerry Gilmore is Professor of Experimental Philosophy at the Institute of Astronomy, Cambridge University. <br />First published on Wed, 07 Aug 2013 as <a href="http://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/gaia-taking-the-galactic-census">Gaia: Taking the Galactic Census</a>. To find out more visit The Open University's <a href="http://www.open.edu/openlearn/ole-home-page">Openlearn</a> website. Creative-Commons 2013
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Creator The Open University
Publisher The Open University
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