It's another guess the year theme on today's quiz. The first 5 questions all relate to events in a particular year. The final question wants to know what the year is.
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Explanation
Shoemaker Levy rather foolishly crashed into Jupiter in 1994 (how do you hit something 90,000km wide?). The other three are periodic comets that will be back...
Luther Vandross is featured on Part-Time Lover.
Congratulations if you got that one - let me know if you like the format. If you hate it, keep it to yourself.