Can comets orbit planets?

... orbital radius, around planets with the same mass, will have the same orbital speed. Remember that this relationship only applies in the case of circular orbits ... The answer key says that "every moon necessarily orbits a planet in the system" although the sufficient indicator "any" is qualifying "moon." Ellipses are closed so the planets we see in elliptical orbits stick around. A circle is a special case of an ellipse and it is theoretically possible for an ... Oct 31, 2017 ... This answer is FREE! See the answer to your question: A hypothetical spherical planet consists entirely of iron. What is the period of a ... The orbital period of a planet can be calculated using Kepler's Third Law, which states that the square of the orbital period (T) of a planet is directly ... Oct 1, 2024 ... Astronomers have discovered an exoplanet orbiting Barnard's star, the closest single star to our Sun. Nov 19, 2015 ... There's life on the planet, maybe even intelligent life. Orbiting this planet is a dwarf star. It is sufficiently close to the planet to provide ... ... planet's orbital period depends only on its orbital radius. ... Rank the graphs from left to right based on the mass of the extrasolar planet that orbits the star ... Mar 18, 2025 ... Orbital Period (days), 88.0, 224.7, 365.2, 27.3*, 687.0, 4331 ... Index of Planetary Fact Sheets - More detailed fact sheets for each planet. May 26, 2016 ... New observations have revealed that the story is somewhat more complicated, at least for the oddest planets known, the Hot Jupiters.