What are the strengths and limitations of the Doppler method?
What will be an ideal response?
_able to detect planets in a wide range of orbits, as long as orbits aren't face onLimitations_ yield only planet's mass and orbital properties
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Two or more bound atoms is called a ________________
Fill in the blank(s) with correct word
Gravity is an attractive force between
A. all objects everywhere B. Earth and objects on Earth C. Earth and Moon, and objects on Earth D. all massive objects
Scientists today do not accept the Ptolemaic model because:
A) it is ancient history. B) it was too complicated, compared to Copernicus' heliocentric model. C) it has been shown that Ptolemy faked his data. D) it had no explanation for retrograde motion. E) the work of Tycho and Kepler showed the heliocentric model was more accurate.
What device converts mechanical energy into electrical energy?
A) solenoid B) motor C) generator D) spectrometer E) transformer