An X-ray telescope placed on the surface of Earth can detect X-rays that are emitted from a distant astrophysical source.
Answer the following statement true (T) or false (F)
False
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A spaceship whizzes past a planet at high speed. An observer on the planet sees a contracted spaceship, while an observer on the spaceship sees
A) a contracted planet. B) an expanded planet. C) a normal planet. D) a contracted or expanded planet depending on the direction of travel.
The electron spin quantum number can have values of
A) -1/2, -1, 0, +1, +1/2. B) -1/2, -1, +1, +1/2. C) -1/2, 0, +1/2. D) -1/2, +1/2. E) only +1/2.
If a negatively charged object is brought near a suspended, negatively charged object, the suspended object will be
a. repelled. b. charged more. c. discharged. d. attracted.
The orbits of halo stars are typically circular and have a low inclination with respect to the disk
Indicate whether the statement is true or false