Look east! 2017 supermoon rises tonight

Posted December 03, 2017

A supermoon occurs when a full moon coincides with the point in orbit in which the moon is closest to Earth. Supermoons look a bit brighter and closer to Earth than average full moons, though it can be hard to spot the differences without a telescope.

Unusual astronomical phenomenon called the Supermoon, or perigee moon.The orbit of the moon around the Earth in form is not a ideal circle, and a few stretches. That supermoon will also be the second full moon of the month, making it a "super blue moon".

Each month the moon rotates around the earth in an ellipse rather than a flawless circle. Hence, for those in the Northern hemisphere, it is a cold supermoon.

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The moon is nearly full Saturday night and will be full Sunday.

The Slooh Supermoon Challenge livestream will kick off on Sunday December 3 at 9pm EST (Monday December 4 at 2am).

While the moon is undoubtedly both bigger and brighter than usual, our eyes tend to trick us into seeing the moon as larger than it truly is.

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If you don't think you'll want to leave the comfort of your own home to view the celestial event, there will be two livestreams of the supermoon.

A supermoon occurs when there is a full moon at or near the point where the moon reaches perigee. But any time you catch a full Moon as it rises or sets, while it's suspended low on the horizon beaming through the silhouettes of trees or buildings, its apparent size might make you do a double-take.

This optical illusion also occurs when watching the supermoon immediately after sunset (or before sunrise).

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Considering that a full moon can be covered with a fingernail, even a 7% larger moon may not look that much bigger.