The size and shape of a planet's orbit can be determined by
A)the Doppler technique.
B)transit observations.
C)spectral measurements.
D)knowing the planet's mass by any technique and applying Newton's version of Kepler's third law.
E)gravitational microlensing.

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The Answer of The size and shape of a planet's orbit can be determined by
A)the Doppler technique.
B)transit observations.
C)spectral measurements.
D)knowing the planet's mass by any technique and applying Newton's version of Kepler's third law.
E)gravitational microlensing.

The Size and Shape of a Planet's Orbit Can Be