"Starburst" events are a common outcome of galactic collisions
a. True
b. False
Indicate whether the statement is true or false
True
You might also like to view...
Is heat absorbed or released by ice when it melts?
Conservation of ____________ is observed in strong and electromagnetic interactions but not in weak interactions
a. baryon number b. lepton number c. strangeness d. charm e. beauty
In the double-exhaust model, the radio lobes of a radio galaxy are inflated by
a. jets of excited gas flowing from the central galaxy. b. jets of high-energy sound waves flowing from the central galaxy. c. a disk of ionized material that orbits very near a supermassive black hole. d. dark clouds of very cold gas and dust. e. None of the other choices are correct.
If we double only the spring constant of a vibrating ideal mass-and-spring system, the mechanical energy of the system
A) increases by a factor of . B) increases by a factor of 2. C) increases by a factor of 3. D) increases by a factor of 4. E) does not change.