What problem is adaptive optics designed to correct?
A) the opacity of the Earth's atmosphere
B) defects in the optical figuring, such as with the adaptive optics on HST
C) slight tracking errors in trying to compensate for our unsteady rotation
D) the effects of atmospheric turbulence
E) the absorption of ultraviolet by the ozone layer
Question 2
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.
Mira as seen from the Earth
Close-ups of Jupiter’s Atmosphere
The relation between drug tolerance and withdrawal effects. The same adaptive neurophysiological ...
Earth’s Layered Structure
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