The time the Moon takes to orbit the Earth one time is the same amount of time as the lunar phase cycle
a. True
b. False
Indicate whether the statement is true or false
False
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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.
The transit method searches for extrasolar planets by
A) monitoring stars for slight dimming that might occur as unseen planets pass in front of them. B) obtaining high-resolution photographs of other star systems. C) observing Doppler shifts in a star's spectrum caused by an unseen planet. D) looking for slight back and forth shifts in a star's position in our sky.
The form of heat transfer that doesn't depend on a medium is
A) conduction. B) convection. C) radiation. D) all of the above
You are traveling in a space ship at half the speed of light (0.5c) directly toward an oncoming photon traveling at the speed of light (c). At what speed would you see the photon coming toward you?
A) c B) 0.25c C) 1.5c D) 0.5c