There's a full moon risin'.
Starting Thursday evening, a brilliant supermoon will be visible in the sky.
Supermoons occur when a full moon reaches perigee, or the nearest point to Earth on its elliptical orbit around our planet.
They can appear as much as 14% larger and 30% brighter than the faintest moon of the year, .
The moon will begin to appear full Thursday evening, and reach the peak of its full phase around 6 a.m. ET Friday.
Since it's occurring close to this year's autumnal equinox on Sept. 23, it's also known as a harvest moon. That's because historically farmers harvesting their summer-grown crops were helped by the bright moonlight shining shortly after sunset, .
Harvest moons typically take place in September, though they can also happen in October depending on the lunar calendar.
This week will be your last chance to see a supermoon this year, .
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