Data chart
Dusk cloud controls spill poor, the Milky Way to turn soundlessly jade dish. Late on May 7, we will be greeted can saying to go up is " super moon " " a solar month of 31 days is bright " . If weather cool and bright, we will see satisfactory a solar month of 31 days is bright one round, hang in night sky to sending out glistening white Qing Hui. And this also will be this year for the last time " super moon " .
Dr. Wang Yumin introduces Beijing ancient observatory, on May 7 18 when will produce one-month old baby 45 minutes, "As a result of this ' look ' the time that spends perigee with the moon, namely on May 6 11 when 03 minutes, differ about 1.3 days, because this also can be great a baby's completion of its first month of life of this year. Just compare last month ' small ' . Just compare last month ' small ' ..
Wang Yumin explains, alleged " super moon " the condition that is close quarters of lunar distance earth, the moon should circle the earth to turn 12 rounds inside a year, every month can pass perigee, recently when the likelihood achieves 350 thousand kilometer, be in usually 360 thousand to 370 thousand kilometer, this one phenomenon is so commonner. And when the time be apart when full moon and course perigee is closer, "Super moon " can appear big all the more.
Nevertheless, did not stipulate full moon is apart from perigee on astronomy how many kilometer is judged to be " super moon " , and full moon and perigee are adjacent and annual have, had appeared 3 times so far this year for instance " super moon " (on Feburary 9, mixed on March 10 on April 8) , because the time of be apart is not long, the moon can appear big all the more with the circle. Nevertheless in fact, so called " super moon " after all big how many, people only by naked eye observation be aware of hard. "Sometimes when people feels to rise at the beginning of full moon particularly big, be person eye then ' illusive ' . People feels the vault of heaven is compressed shape, both sides is far, among close. Actually, the sky is ' hemisphere ' of shape, nonexistent ' close big far small ' . And Chu Shengman month appears particularly big, this ' illusive ' had conclusive effect. This ' illusive ' had conclusive effect..
(Beijing daily client is carried)
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