Briefly explain how Uranus and Neptune were discovered
What will be an ideal response?
Uranus was discovered with the aid of a telescope by William Herschel. Neptune was discovered when astronomers realized that Uranus was being influenced by another body as it moved around its orbit. They were thereby able to predict the precise location in the sky in which to look for Neptune, which was subsequently found by telescope.
Lost in Space! Some things are worse than an exam. Just as you thought the exam was about over, you were plucked from Earth by a strange alien being. After performing gruesome experiments on your body and your mind, the alien gave you a "life-support belt" and dumped you somewhere in the solar system. This happened several times. A brief description of each place at which you were left by the alien follows. Identify your location each time. Be as specific as possible, and be sure to include a brief explanation for your answer.
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A car starts from rest and travels a distance of 100 m in 10 seconds. The acceleration of the car is
A. 1.0 
B. 2.0
C. 2.5
D. 3.0
E. 3.5
Why is the sky blue?
A) Air molecules scatter blue light more effectively than red light. B) The gases in Earth's atmosphere emit blue light. C) The Sun mainly emits blue light. D) The atmosphere transmits mostly blue light. E) Because of the way light is reflected off of the oceans.
An atom with fewer electrons than protons is a negative ion
a. True b. False Indicate whether the statement is true or false
A box is placed on a table which rests on the floor. The box pushes on the table; the Newton's third law pair to the the box's push on the table is the table's push on the floor
A) True B) False