Friday's Blue Moon and lunar size-shifting explained
(Phys.org)—A lunar event that occurs once in a blue moon will happen this Friday night, August 31.
(Phys.org)—A lunar event that occurs once in a blue moon will happen this Friday night, August 31.
Space Exploration
Aug 28, 2012
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It's high noon for the humble leap second. After ten years of talks, governments are headed for a showdown vote this week on an issue that pits technological precision against nature's whims.
Earth Sciences
Jan 17, 2012
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Yesterday was Feb. 29, the extra day we add to the calendar in leap years. But why do we need this extra day, and what is the science behind it? And what about the lesser-known leap second which delegates from more ...
Earth Sciences
Mar 1, 2012
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The number 2016 divided by 4 equals 504, exactly – with no remainder, which makes the year 2016, like the upcoming years 2020, 2024 and 2028 (and beyond), a leap year. We will get an "extra" day, February 29.
Space Exploration
Feb 26, 2016
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