When dark energy is thrown into the mix, present observational data seem to indicate that the universe will ________
Fill in the blank(s) with correct word
be open or expand forever
Physics & Space Science
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An object is placed in front of a convex mirror at a distance closer than the focal length of the mirror. The image will appear
A) behind the mirror. B) upright and reduced. C) upright and enlarged. D) inverted and reduced. E) inverted and enlarged.
Physics & Space Science
According to its rotation curve, the majority of our Galaxy's mass is ________
Fill in the blank(s) with correct word
Physics & Space Science
When an atom or ion gives up electrons, it is said to be ______________
Fill in the blank(s) with correct word
Physics & Space Science
According to our definition, we have been a technological civilization for about
A) 500 years. B) 100 years. C) 10 years. D) 1000 years. E) 10,000 years.
Physics & Space Science