Moon phase today: What the moon will look like on October 19
Credit: Photo by Omer Tarsuslu/Anadolu via Getty Images
The moon is barely visible tonight, there's just a sliver of light left before it disappears completely. We’re only a day or so away from the New Moon, when it moves directly between Earth and the Sun.
What is today’s moon phase?As of Sunday, Oct. 19, the moon phase is Waning Crescent. Tonight, only 4% will be lit up, according to NASA's Daily Moon Observation.
Unfortunately, there's nothing to see without any visual aids tonight. However, if you have a pair of binoculars or a telescope you'll be able to catch a glimpse of the Grimaldi Basin, an impact basin 124 miles in diameter.
When is the next full moon?The next full moon will be on Nov. 5.
What are moon phases?The Moon follows a continuous cycle that lasts about 29.5 days as it travels around Earth. These shifts occur because the positions of the Sun, Earth, and Moon are always changing relative to one another. From Earth, we might see the Moon as full, partly lit, or completely dark, but the same side always faces us. What varies each night is how much sunlight reaches and reflects off its surface.
The eight main moon phases are:
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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.
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