Which of the following is not a possible solution to the question of why we have not yet found evidence of other civilizations?
A) We are the only intelligent civilization to have ever arisen in the Milky Way.
B) Of all of the intelligent civilizations in the Milky Way, none has chosen to create a galactic civilization.
C) There is a galactic civilization, but we are currently unable to detect or recognize it.
D) There is a galactic civilization, but it is being actively hidden from us.
E) Given the current age of our galaxy, there has not been enough time for a galactic civilization to develop.
E) Given the current age of our galaxy, there has not been enough time for a galactic civilization to develop.
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What evidence is there to prove Jupiter has a liquid interior?
a. Jupiter is oblate b. Jupiter rotates rapidly c. Jupiter is tilted on its axis d. Jupiter has a thin, hot atmosphere e. Jupiter has a very strong magnetic field
A rectangular coil carrying a current in a magnetic field will experience a net torque that will cause the coil to rotate in that field, if the field is not along the coil axis
Indicate whether the statement is true or false
Suppose you viewed a movie that was running backwards. You would see lots of odd things happening: streams would flow uphill, and so forth
If these odd "backward-moving" things actually happened in nature, which principle or principles of physics would be violated? A) Newton's law of motion B) The second law of thermodynamics C) Both of the above. D) The law of conservation of energy E) All of the above.
The Sun, at absolute magnitude +4.8, would be one of the brightest stars in the sky if seen from 32 light-years distance
Indicate whether the statement is true or false