Local astronomers to answer questions about arrival of Comet ISON

Comet ISON is coming -- but how close will it come to Earth, and will it put on a good show? Local astronomers are set to answer questions about the comet Wednesday afternoon.

Scientists at the Space Telescope Science Institute are holding a Google Hangout at 4 p.m. to discuss Comet ISON.

Astronomers have referred to the hunk of ice and rock hurtling through space as a possible "Comet of the Century" that might be visible with the naked eye, even in the daytime, come November. The comet is expected to pass close by the sun around Nov. 28, and if it survives the sun's heat in one piece, it could shine as brightly as the moon, with its trail in tow.

Scientists from STSCI, on the Johns Hopkins University campus, will answer questions about the likelihood that the comet puts on a show or ends up a dud, its size, origins, and its chances of affecting Earth.

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