Many of the multi-planet systems discovered to date have been notable for their compactness, with neighbouring planets closer together than any in the Solar System.
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Exploration Science & Technology: March 2017
Calendar
- 25 Sep: Planet Formation and Evolution 2017
- 25 Sep: NASA Innovative Advanced Concepts (NIAC) Symposium
- 28 Sep: Astrobiology, Synthetic Biology, and the Future of Life
- 1 Oct: International MoonBase Summit
- 2 Oct: Satellite Innovation Symposium
- 2 Oct: NASA Earth Science Advisory Committee Meeting
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