The typical temperature of an interstellar cloud that could collapse to a protostar is about ________.
A. 1,500 K
B. 10 K
C. 300 K
D. 1,000 K
Answer: B
Physics & Space Science
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What kind of spectra is shown above?
a. continuous
b. blackbody
c. emission
d. absorption
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Which of the following properties can be inferred from the star's orbital period?
What will be an ideal response?
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Compared to "Special" Relativity, "General" Relativity is more concerned with
A) gravitation. B) mass-energy. C) Unified fields. D) Lorentz transformations. E) electromagnetic fields.
Physics & Space Science
If a piece of ribbon were tied to a stretched string carrying a transverse wave, how would the ribbon be observed to oscillate?
a. Perpendicular to the wave motion b. Parallel to the wave motion c. Neither (A) nor (B) d. Both (A) and (B)
Physics & Space Science