Full moon, blood moon, blue moon converge on the same day

Three rare astronomical phenomena will converge on January 31, 2018 at the same time. If you look up at the sky, you will encounter a rare super-bloody moon rarely seen.

According to astronomers, on January 31, 2018 will be a rare occasion for photographers and astronomers, when at the same time three phenomena of super moon, blood moon, blue moon converge in the full moon that night.

"Super moon" at the end of January is a "blue moon" - (photo: NEWSWEEK).

is the moon phenomenon in the closest position to Earth in its orbit on the full moon, making the moon look bigger and clearer than usual. Recently, on December 3, a super moon has just appeared. Usually it is not so easy to encounter this phenomenon, so this seems to be the lucky phase of moon lovers.

is a phenomenon that occurs when the sun, earth and moon are in a straight line. The shadow of the earth covering the moon gives it a blood red color. In 2015, viewers all over the world had a chance to enjoy a "super moon".

is the term for the full moon to appear a second time in the same month. In January 2018, there will be two full moon days on January 1 and January 31, so the full moon on January 31 is called the blue moon.