The radial velocity method is less likely to detect low mass planets than high mass planets because low mass planets cause smaller ________ fluctuations
Fill in the blank(s) with correct word
velocity
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You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would
A) become arsenic. B) become radioactive. C) expand and likely lodge in your throat. D) have a change in flavor.
Sound: An elephant can hear sound with a frequency of 15 Hz. What is the wavelength of this wave if the speed of sound in air is 343 m/s?
Fill in the blank(s) with the appropriate word(s).
According to general relativity, what is a black hole?
A) a hole in the observable universe B) an object that cannot be seen C) a place where light travels slower than the normal speed of light D) a place where the strength of gravity is infinite
What kinds of objects lie in the halo of our galaxy?
A) open clusters B) O and B stars C) globular clusters D) gas and dust E) all of the above