What are the Perseids meteor showers associated with?
In 1866, after the perihelion passage of Swift-Tuttle in 1862, the Italian astronomer Giovanni Virginio Schiaparelli discovered the link between meteor showers and comets. His findings put new light on a subject, and changed the approach of astronomers to comets.
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What is the source of the most powerful release of energy in the universe, second in scale only to the Big Bang?
What was the most beautiful comet of the second half of the twentieth century, with two tails visible to the naked eye?
There was no such comet