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Physics 8 Online
OpenStudy (anonymous):

The orbit of a spacecraft about the Sun has a perihelion distance of 0.1 AU and an aphelion distance of 0.4 AU. What is the semi major axis of the spacecraft's orbit? What is its orbital period?

OpenStudy (anonymous):

|dw:1361219295256:dw| what you need is semi major axis. which is a.. in the figure.. can you figure out now how??

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