In the context of a planetary atmosphere, what is a bar?
A) a unit of pressure roughly equal to the atmospheric pressure at sea level on Earth
B) the surface pressure on any planet
C) a description of the atmospheric composition on Earth
D) a place where planetary scientists can get sodas and other drinks
A) a unit of pressure roughly equal to the atmospheric pressure at sea level on Earth
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How many quarks are in a deuteron, 2H?
A) 3 B) 2 C) 4 D) 1 E) 6
According to Gwen back on Earth, about how long does it take Jackie to reach Vega?
A) about a month B) about 10 years C) about 25 years D) about 100 years E) about 1,000 years
The star Arcturus shows a large proper motion, almost perpendicular to the galactic plane. What Population might we assume it belongs to, and why?
What will be an ideal response?
At any instant in time, it is possible to specify simultaneously the position and the momentum of a particle to arbitrarily high precision
a. True b. False Indicate whether the statement is true or false