The search for planets outside our Solar System will always be pricey. But creative solutions are proving that it no longer has to break the bank.
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References
The Exoplanet Task Force Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets (NASA Astronomy and Astrophysics Advisory Committee, 2008).
Exoplanet Roadmap Advisory Team A European Roadmap for Exoplanets (ESA, 2010).
Charbonneau, D. et al. Nature 462, 891-894 (2009).
Bean, J. L., Kempton, E. M.-R. & Homeier, D. et al. Nature 468, 669-672 (2010).
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Lee Billings is a freelance writer based in New York.
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Billings, L. Astronomy: Exoplanets on the cheap. Nature 470, 27–29 (2011). https://doi.org/10.1038/470027a
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DOI: https://doi.org/10.1038/470027a
