A Tatooine-like planet, or a planet that orbits a binary star system, would very likely orbit at a relatively…
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Is it Possible for a Binary Planet System to Sustain an Orbit Around a Single Star?
Yes, though the formation process for such a system is rather difficult to construct, making such binary planet systems…

What is Required to Send People, Satellites, or Other Objects to Explore Potentially Habitable Planets?
You can get a sense of the biggest problem with sending anything to other potentially habitable planets by checking…

Can a Planet Orbit One Star in a Binary Star System?
Yes. Planets that orbit a single star in a binary star system are called “non-circumbinary planets”. In general, a…

Can a Moon Alternately Orbit Two Planets?
I don’t believe that the scenario you describe, were a moon is effectively shared by two planets in a…

Average Radius of Exoplanets in our Galaxy
Related to some recent questions regarding exoplanet properties, I have pointed to the Open Exoplanet Catalog as a source…