Tonight (March 31) a full blue moon stands in the evening sky. This will be the second and last Blue Moon of 2018, so do not miss it!
Despite the name, the "Blue Moon" will not be really blue. In fact, it will look the same as any other full moon. By current definition, the term refers to the second full moon in a given calendar month. The traditional definition of a Blue Moon was reserved for the third full moon in a season that has four full moons, which happens in years with 1
The next seasonal Blue Moon will take place in May 18, 2019, but according to the more recent definition of the term, the next monthly Blue Moon will not occur until October 31, 2020. The last Blue Moon was a special one, as it coincided with a "supermond" and a long shot lunar eclipse. [In Photos: The Super Blue Blood Moon Eclipse of 2018]
If you have bad weather today, you can watch Blue Moon online at 4pm during a live Slooh webcast. EDT (2000 GMT). Here you can watch the webcast directly from Slooh.
Today's full moon, which is the first full moon of spring, will also be called "Easter Moon", which is the full moon just before Easter Sunday. It was also called the "Sap Moon" by Native American tribes, "as it marks the time in which maple sap begins to flow and the annual tapping of maple trees begins," according to the Ancient Peasant Almanac.
Today the Moon will reach its fullest phase at 8:37 pm EDT (1237 GMT). For spectators in the eastern United States, the moon will be below the horizon at this time, while those on the west coast may see it in the morning in the morning.
When the full moon is below the horizon from your location, do not worry. It will still look full when it comes up later in the evening. You can find out exactly when the moon will bounce up and down at your location with this calculator on timeanddate.com.
If you can not see the Blue Moon for yourself, you can turn on a webcast at Slooh's Online Observatory, showing live views of the Blue Moon and comments from Slooh astronomers.
Editor's Note: If you're taking a fantastic photo or video of the Blue Moon and want to share it with Space.com for a story or gallery, send pictures and comments to firstname.lastname@example.org ,