Multiple Choice
What was the FIRST direct evidence that some other solar-type stars might have planets?
A) faint pinpoints of light slowly circling some stars, as seen through the new 8- and 10-meter telescopes
B) slightly wavy path of a star through space, as if the star were being tugged by an orbiting planet
C) cyclic Doppler shift variations in the spectra of several stars
D) warped disks of dust and gas around some young stars
Correct Answer:
Verified
Correct Answer:
Verified
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Q6: In searches for planets orbiting stars other
Q7: A particular star shows spectral lines of
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Q9: Comets been discovered around the star Beta
Q11: The atmosphere of the gas-giant planet HD
Q12: In order for an exoplanet to be
Q13: Exoplanets were first observed in:<br>A) 1810.<br>B) 1931.<br>C)
Q14: We have begun to observe exoplanets not
Q15: The largest exoplanet discovered thus far has