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What We Can Rule Out at Alpha Centauri

19 Dec 2017, 16:20 UTC
What We Can Rule Out at Alpha Centauri ESO/Digitized Sky Survey 2Acknowledgement: Davide De Martin
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One of the reasons to pay attention to spectrograph technologies — and we recently talked about ESPRESSO, which has just achieved ‘first light’ — is that we’re reaching the inflection point when it comes to certain key observations. Finding planets around Centauri A and B has been the gold standard for a number of researchers, and as Debra Fischer (Yale University) points out, we’re just now getting to where spectrographic technology is up to the challenge.

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