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How Science Can Learn More About ‘Proxima b’ And All Earth-Like Worlds (Synopsis)

25 Aug 2016, 14:03 UTC
How Science Can Learn More About ‘Proxima b’ And All Earth-Like Worlds (Synopsis)
(200 words excerpt, click title or image to see full post)

“Our existence in this place, this microscopic corner of the cosmos, is fleeting. With utter disregard for our wants and needs, nature plays out its grand acts on scales of space and time that are truly hard to grasp. Perhaps all we can look to for real solace is our endless capacity to ask questions and seek answers about the place we find ourselves in.” -Caleb Scharf
Now that we’ve learned the nearest star to our Sun, Proxima Centauri, has a rocky planet at the right distance for liquid water, it’s time to consider how we might learn the answers to our burning questions about it and all nearby Earth-like exoplanets. What’s the atmosphere like, and what does it consist of? What does the surface of the world look like, and what’s on it? And is there life, or intelligent life, present at all?
Image credit: PHL @ UPR Arecibo, as of 2015. This number has almost doubled since this image was published, and at a distance of 4.24 light years, Proxima b is now the closest of all.
There are three ways to conduct these searches, and they’re all complementary. We can use giant ground-based telescopes, including arrays of ...

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