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The Planck space telescope also has its sights on dark energy



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The Planck space telescope also has its sights on dark energy
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The Planck spacecraft, which was launched on 14 May 2009, scans the entire sky in the microwave range (for more on this topic, see the astronomy question from week 10: Where is the coldest point in the Universe?) Characteristics of dark energy will be derived from its observations.

Credit: ESA/C. Carreau.