Supermoon 2019: "Super worm equinox moon", last supermoon of 2019, starts tonight

Supermoon 2019:

The "full worm" moon takes its name from a time when lunar cycles were used to track the season, according to the almanac.

The night sky will be a little brighter starting on Tuesday with the third and final supermoon of 2019.

A super moon occurs when a full moon or new moon coincides with the moon's position at its closest to earth.

Wednesday night's celestial show is made all the more special because it coincides with the Spring Equinox and the beginning of Spring. 2019 saw three supermoons, and they fell within the first three months of the year. The moon will be approximately 220,000 miles from Earth, however, binoculars or a telescope will come in handy to spot the "Super Worm Moon" on March 20.

Super moons that occur in March are nicknamed the "worm moon" because that's the time of year when earth worms tend to emerge from the ground as it begins to thaw from the departing cold of winter.

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At perigee - the point in the orbit of the moon or a satellite at which it is nearest to the earth - it will be 224173 miles (360,772 kms) from Earth.

A superman during this time appears 14 percent bigger and 30 percent brighter than normal.

In Denver, the moon will rise at 6:59 p.m., 12 minutes before sunset.

According to NASA, the super moon will only be visible for a few hours this Wednesday and should appear "slightly larger" in the sky.

Temperatures will start to cool down Wednesday and continue the downward trajectory Thursday and Friday, though it's expected to remain sunny and clear.