Friday, September 23, 2011

What can be said about a planet orbiting an identical star with an orbital period of 500 days?

What can be said about a planet orbiting an identical star with an orbital period of 500 days?


The planet must be closer to the star.


The planet must be less massive.


The planet must be more massive.


The planet must be farther from the star.|||The planet must be farther from the star.





:)





to the guy before me... Mars is further away|||Identical star...identical to what?





A star identical to the planet? That cannot happen...planets cannot be stars. It it were a body orbiting a star identical to it...then the "planet" would be called a stellar companion, not a planet.|||If you mean identical to the Sun, the planet must be further from the star (than the Earth).|||Earth 365 days, Mars 686 days. Planet would be less massive.

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