The Proxima Centauri exoplanet, unlike Earth, is tidally locked to its parent star, always showing it the same face. (Like our Moon!)
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Replying to @NASAWebb
Most accurate to say that Proxima b is *likely* to be tidally locked to its parent star. Why is this?
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Replying to @CeeJayDugan
If it turns out to be a good target for JWST, we could look at its atmosphere to determine its composition.
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Replying to @NASAWebb
Sounds like a good way to break in a new space telescope to me! :) What would determine if it’s a good target?
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Replying to @CeeJayDugan
This planet is very close to its parent star, which makes it a challenge. Scientists are looking into if/how it could happen!
2:28 PM - 25 Aug 2016
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