Supermoon to rise in weekend night sky
(Fox News) — The largest full moon of 2013, a so-called “supermoon,” will light up the night sky this weekend.
Fox News reported that on Sunday at 7 a.m. EDT (1100 GMT), the moon will arrive at perigee — the point in its orbit its orbit bringing it closest to Earth, a distance of 221,824 miles. It will officially turn full at 7:32 a.m.
But if you missed the Supermoon Sunday morning, Sunday evening will be a great time to see it.
The moon typically reaches perigee once each month (and sometimes twice), with their respective distances to Earth varying by 3 percent.
Sunday’s lunar perigee will be the moon’s closest to Earth of 2013.
A Supermoon, sometimes called a Super Full Moon, is 14 percent larger and 30 percent brighter than most full moons, NASA says.
The close timing of the moon’s perigee and its full phase are what will bring about the biggest full moon of the year, a celestial event popularly defined by some as a “supermoon.”
While the exact time of the full moon theoretically lasts just a moment, that moment is imperceptible to casual observers.
The moon will appear full a couple of days before and after the actual full moo most will speak of seeing the nearly full moon as “full”: the shaded strip is so narrow, and changing in apparent width so slowly, that it is hard for the naked eye to tell in a casual glance whether it’s present or on which side it is.
During Sunday’s supermoon, the moon will appear about 12.2 percent larger than it will look on Jan. 16, 2014, when it will be farthest from the Earth during its apogee.
Read full story: Fox News