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Which planet had the Great Dark Spot in 1989, but had lost it by 1995?
Q16: SPF 15 sunscreens block about:<br>A) 94 per
Q19: Some regions along the plane of the
Q41: Comets that we can see originate in
Q45: The proper motion of a star is
Q55: Why can many more people witness a
Q57: Life is thought to be unlikely in
Q62: According to Newton's second law, if you
Q70: At the surface of Saturn's atmosphere the
Q93: The number of waves passing the observer
Q95: Both have strangely tilted magnetic fields, but