The ________ star clusters are younger, and their stars richer in heavier elements released in supernova events
Fill in the blank(s) with correct word
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Physics & Space Science
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The ________ track is the path the star takes on the H-R diagram as it ages
Fill in the blank(s) with correct word
Physics & Space Science
If the braking distance for your car at a certain speed is 200 ft and, after reacting to a situation, you have managed to stop your car in 5.0 s, then the magnitude of the acceleration was
A. 16 ft/s2. B. 25 ft/s2. C. 50 ft/s2. D. 32 ft/s2.
Physics & Space Science
Nebula is just another name for the interstellar medium (ISM)
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
How many photons per second emerge from a laser of power with wavelength (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
A) 6.09 × 1015 photons/s B) 5.03 × 1012 photons/s C) 3.07 × 1015 photons/s D) 3.07 × 1013 photons/s
Physics & Space Science