Multiple Choice
A planet's density can be measured by combining
A) Doppler and astrometric observations.
B) Doppler and transit observations.
C) spectral observations of the planet's atmosphere.
D) any method that measures the gravitational tug of the planet on the star.
E) direct imaging from the new generation of space telescopes.
Correct Answer:
Verified
Correct Answer:
Verified
Q10: The Doppler technique for planet detection has
Q11: What is astrometry?<br>A)measuring distances to stars<br>B)searching for
Q12: Briefly describe the three most commonly used
Q13: By itself,the Doppler technique provides a measure
Q14: Which new idea has been added into
Q16: Viewed from afar,the transit of Earth would
Q17: Which of the following is not expected
Q18: Most of the planets discovered around other
Q19: Which planet search technique is currently best
Q20: Transits of multiple planet systems can be