Q) Kepler's three laws describe
1) the motions of the stars
2) the orbital motions of the planets
3) the phases of the planets
4) the phases of the moon
5) the shapes of the blackbody curves
Momoko filled in the circle for 2 and breathed a sigh of relief. So far so good. One more question and she was done with this page...
Q) What is the
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