A gamma-ray determination of the Universe's star formation history - Science Magazine

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A gamma-ray determination of the Universe's star formation history Science Magazine ... Big Bang (see the Perspective by Prandini). Although this is similar to previous estimates from optical and infrared observations, the results provide valuable confirmation because they should be affected by different systematic effects. Science ... We finally know how bright the universe isPopular Science All of the starlight ever produced by the observable universe measuredScience Daily Astronomers have measured all the starlight ever emittedScience News all 70 news articles »