Saturday promises to be a big day in the lunar calendar, with the full moon coming as close to Earth as it will all year.
Dubbed a “super moon,” it will be 14% closer to Earth and 30% brighter than when at its furthest point.
The moon’s orbit is not circular but more like the shape of a squashed cigar.
“The ellipse of lunar orbit is constantly changing because it’s being tugged on by the Earth and the sun,” says Bruce McCurdy, an astronomer from the Royal Astronomy Society of Canada.
During its orbit Saturday, the moon will reach its closest point to the Earth, called perigee, and two weeks later will be at its farthest point from the planet.
This cycle’s perigee, at 9:34 p.m. on Saturday, will be the closest of the year. But McCurdy isn’t all that impressed.
“It’s not actually very extraordinary,” he says. “As…
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