We're now in the Gibbous period of the Moon's lunar phase, which means we're just a few days away from the Full Moon. There's lots for you to see tonight on its surface, so keep scroll down to see what you'll be able to spot.
What is today’s moon phase?
As of Sunday, Dec. 28, the moon phase is Waxing Gibbous. According to NASA's Daily Moon Observation, 58% of the moon will be lit up tonight.
There's more than half of the moon on display tonight, so there's lots to see. With just your naked eye, you'll be able to see the Mares Fecunditatis and Serenitatis, and the Tycho Crater. If you add binoculars, you'll also see the Endymion Crater, the Archimedes Crater, and the Apennine Mountains. With a telescope, you'll also see the Apollo 11 landing spot, the Descartes Highlands, and the Linne Crater.
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When is the next full moon?
The next full moon will be on Jan. 3. The last full moon was on Dec. 4.
What are moon phases?
According to NASA, it takes roughly 29.5 days for the Moon to complete a full cycle, known as the lunar cycle. During this period, the Moon moves through a series of phases as it orbits the Earth. While the same side of the Moon always faces our planet, the amount of sunlight illuminating its surface changes over time. This is why the Moon appears fully lit, partially illuminated, or not visible at all at different stages of the cycle. The lunar cycle is divided into eight main phases:
New Moon - The moon is between Earth and the sun, so the side we see is dark (in other words, it's invisible to the eye).
Waxing Crescent - A small sliver of light appears on the right side (Northern Hemisphere).
First Quarter - Half of the moon is lit on the right side. It looks like a half-moon.
Waxing Gibbous - More than half is lit up, but it’s not quite full yet.
Full Moon - The whole face of the moon is illuminated and fully visible.
Waning Gibbous - The moon starts losing light on the right side. (Northern Hemisphere)
Third Quarter (or Last Quarter) - Another half-moon, but now the left side is lit.
Waning Crescent - A thin sliver of light remains on the left side before going dark again.
Lois Mackenzie is a freelance reporter at Mashable. Over the years she has written for many publications, covering everything from the local news to the best pair of running shoes. You can find bylines in publications including Fit&Well, Metro, and Coach magazine, usually covering deals on everything from earbuds to TVs, or guides on how to beat your half marathon time.
Lois also holds a Master's degree in Digital Journalism from Strathclyde University and obtained a Master of Arts in English Literature at the University of Aberdeen.
