Overnight from Jan. 20 to Jan. 21, 2019, millions of people in North and South America can enjoy a full hour of a total lunar eclipse.
The moon's phases are caused by changes in the amount of illumination from the moon that is visible from the Earth's surface as the moon orbits our planet each month. There are eight distinct phases every month, four of them occurring roughly a week apart. They are: the New Moon; Waxng Crescent; First Quarter (or half-full; Waxing Gibbous; Full Moon; Waning Gibbous; Last Quarter (half-full on other side); Waning Crescent. You can read definitions for these moon phases here. When the moon is full and at its closest point to the Earth in it's orbit, it is known as a "Supermoon." Lunar eclipses occur during full moons, when the moon passes through all or part of Earth's shadow. During New Moons, the moon can cover part or all of the sun's disk, creating a solar eclipse. Learn more about the moon's phases here.
Related Topics: The Moon
Here is a list of all the full moon names, dates and times (for the Eastern time zone) in 2019, beginning with the 'wolf' moon in January, to the 'cold' moon in December.
A beautiful crescent moon with visible earthshine forms a triangle with the Pleiades star cluster and the bright planet Venus just after sunset in this twilight scene.
A twilight scene shows a 96 percent illuminated moon peeking through the clouds behind the Roman Catholic Church of La Sagrada Familia, in Barcelona.
Uranus reached opposition on Oct. 23, and if you want to observe the frigid planet this week, look toward the full moon.
The full moon of October, called the Hunter's Moon, will grace the skies Oct. 24, making a close pass by Uranus.
The Harvest Moon rose into the evening sky on Monday (Sept. 24), providing some spectacular scenes for skywatchers and photographers around the globe.
The full moon of September, called the Harvest Moon, will grace the skies on Sept. 24, just two days after the autumn equinox.
One of the beautiful things about the full moon is that the days before and after are almost as stunning — so if you needed a little reminder to go enjoy yesterday's full moon, it's not too late.
The full moon of August will grace the skies the same day that Mercury is at its highest in the predawn sky and farthest from the sun, making it an ideal time to see the innermost planet.
There are two total lunar eclipses happening in 2018 -- one in January and one in July. Here are the best places, times and tools to see them.
The full "Pink Moon" of April 29 adorns the daytime sky over the medieval village and castle of Monsaraz in this photo taken in Portugal's Dark Sky Alqueva Reserve.
A lovely cityscape view captured from a rooftop on Amoreiras Towers in Lisbon, Portugal, shows the last "Blue Moon" of 2018 rising above the city on March 31.
May's full moon will shine bright tonight (May 29), but if cloudy skies ruin your view, don't fret. You can watch the lunar sight live in a Slooh webcast.
A waning crescent moon rises at dawn against the glow of twilight and behind a pink band of clouds, just few minutes before sunrise.
This past weekend, skywatchers across the world pulled out their cameras to capture the splendor of the Blue Sap Moon.
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