News Summer's last supermoon, meteor shower take the celestial stage tonight

[WPVI]

"At certain times of the year, the moon is at its closest point to Earth and these are called supermoons," said Mike Hankey, operations manager for the American Meteor Society, via email. "It's just a natural point of the moon's orbit. At each extreme, the moon is either a little bigger or a little bit smaller (at its furthest point), but it is not a huge difference."

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