
Perigee full moon may cause tides to rise
Biggest Full Moon of the year due this weekend as 'supermoon' raises tides around the planetThe moon is set to get a lot bigger this weekend - at least from our perspective on Earth.
And the 'Supermoon' - the nickname for a perigee full moon, closer to the Earth than usual - could cause tides to rise around the world as the moon's close 'fly past' exerts 42% more tidal force.
The moon will appear bigger and brighter - sky-watchers promise this 'supermoon' will be 16% brighter than most when it begins on Saturday at 3.35pm GMT, 11.35am EDT.
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