Stars evolve to the upper left along the main sequence, after forming in the middle
Indicate whether the statement is true or false
FALSE
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A car traveling at 100 km/h strikes an unfortunate bug and splatters it. The force of impact is
A) greater on the bug. B) greater on the car. C) the same for both.
Where are the Trojan asteroids located?
A) on orbits that cross Earth's orbit B) along Jupiter's orbit, 60° ahead of and behind Jupiter C) surrounding Jupiter D) in the center of the asteroid belt E) on orbits that cross Mars's orbit
You would expect millisecond pulsars to be
A) isolated in space. B) part of a binary system. C) most common in open clusters. D) collapsing rapidly. E) rotating slowly.
A magnifying lens with a focal length of 30 cm has what magnification when the viewing eye is relaxed?
a. 7.14 b. 0.8 c. 1.3 d. 1.8 e. –0.2