11 小时
Astronomy on MSNThe Sky This Week from February 14 to 21: Venus reaches greatest brilliancyThe dwarf planet 1 Ceres is in conjunction with the Sun at 5 P.M. EST today. While this means we can't see Ceres for now, we ...
"Mercury and especially Saturn will not be easy to find even if the weather is clear. Mercury sets at 7.15pm on February 28 ...
Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...
11 小时on MSN
The asteroid has been given a rating of 3 out of 10, indicating a "close encounter, meriting attention by astronomers." ...
From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...
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