O and B associations are poor spiral tracers
Indicate whether the statement is true or false
False
Physics & Space Science
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Sunlight reflected from interplanetary dust results in the appearance of ______________
Fill in the blank(s) with correct word
Physics & Space Science
The heliocentric model was actually first proposed by:
A) Aristotle. B) Archimedes. C) Aristarchus. D) Alexander the Great. E) Hipparchus.
Physics & Space Science
Water flows through pipe A into pipe B. Pipe B is larger and has three times the cross-sectional area that pipe A has. Compared to the speed of the water in pipe A, the speed in pipe B is:
A. 1/3 B. 1/2 C. the same D. 3X E. 9X
Physics & Space Science
Hypothetically, if Planck's constant were smaller, atoms would be
A) larger. B) smaller. C) no different in physical size.
Physics & Space Science