Sentences with phrase «planetary orbits exist»
Recent numerical integrations, however, suggest that stable planetary orbits exist: within three AUs (four AUs for retrograde orbits) of either Alpha Centauri A or B in the plane of the binary's orbit; only as far as 0.23 AU for 90 - degree inclined orbits; and beyond 70 AUs for planets circling both stars (Weigert and Holman, 1997).
http://www.solstation.com/ Not exact matches
«Although we were initially quite skeptical that this planet could exist, as we continued to investigate its orbit and what it would mean for the outer solar system, we become increasingly convinced that it is out there,» says Batygin, an assistant professor of planetary science.
Most of the attention in exoplanet research has so far focused on the inner parts of planetary systems, roughly within a distance equivalent to the orbit of Jupiter, for the simple reason that that's all existing detection methods can see.
On February 2, 2011, the Kepler Mission revealed the detection of 54 potential planetary candidates which orbit their host star within or near its apparent habitable zone — where liquid water can exist on the surface of an Earth - type planet.