Frontiers of Engineering Reports on Leading-Edge Engineering from the 2015 Symposium (2016) / Chapter Skim
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Engineering the Search for Earth-like Exoplanets-Introduction--Sara Seager and Mitchell Walker
Engineering the Search for Earth-like Exoplanets-Introduction--Sara Seager and Mitchell Walker
Pages 37-38
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From page 37... ...
With hundreds of billions of stars in the Milky Way and upwards of hundreds of billions of galaxies in the universe, the chance for one of those planets to be Earth-like should be a near certainty. But currently available techniques to find and study small rocky planets have measurement capabilities that limit the detectable planet size (or mass)
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From page 38... ...
Next, Dmitry Savransky (Cornell University) explained the two main techniques for starlight suppression: the internal occulter, or coronagraph, that blocks light inside the telescope and works with wavefront sensing and control to create a stable optical system; and the external occulter, or starshade, a specially shaped screen tens of meters in diameter that formation flies tens of thousands of kilometers from the telescope, blocking out the star light so that only planet light enters the telescope.
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