What kind of planet is most easily detected using the transit method?
A) large planets in edge-on orbits around small stars
B) large planets in face-on orbits around small stars
C) small planets in edge-on orbits around big stars
D) small planets in face-on orbits around big stars
E) Earth-like planets in any orbit
A) large planets in edge-on orbits around small stars
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A(n) _________ source produces new dislocations when a segment of a dislocation is pinned at two ends on a slip plane and the resolved shear stress reaches a critical value.
Fill in the blank(s) with the appropriate word(s).
Katelyn runs along the aisle of a train that moves at 8 m/s. Her speed relative to the floor is 3 m/s. Her speed relative to an observer at rest on the ground is
A) 5 m/s. B) 11 m/s. C) either depending on her running direction D) none of the above
Six months of darkness at the North Pole begins when the Sun is at the
a. winter solstice. b. summer solstice. c. autumnal equinox. d. vernal equinox.
An object is placed 15 cm in front of a concave mirror with a focal length of 30 cm. What is the magnification?
a. 1 b. 2 c. 1/2 d. 1/4 e. ?2