'Supermoon' Tonight! Tips to See Year's Biggest Full Moon-If the full
moon looks a bit bigger and brighter in tonight's sky, you're not
seeing things: It's just the "supermoon" — the biggest moon of 2012.
And there's a meteorshower from Halley's comet peaking tonight, too,
adding to the sky show.
The full moon of May will hit its peak overnight tonight and early
Sunday (May 5 and 6) just one minute after the moon makes its closest
approach to Earth. The timing means the moon, weather permitting,
could appear up to 14 percent bigger and 30 percent brighter than the
average full moon, an event scientists have nicknamed the "supermoon."
The moon will be at its fullest at 11:35 p.m. EDT (0335 Sunday GMT)
just after hitting perigee, the point in its orbit that brings the
moon closest to Earth. The technical name for the event is a "perigee
moon," though NASA and other scientists have dubbed May's full moon as
the supermoon of 2012.
The moon will be about 221,802 miles (356,955 kilometers) from Earth,
about 12.2 percent closer to our planet than when the moon is at
apogee, its farthest point. The average Earth-moon distance is about
230,000 miles (384,400 km).
The last time a supermoon occurred was in March 2011. That supermoon
wasactually closer to Earth than the moon will be tonight by about 248
miles(400 km)
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