leap second is exactly about 某一年要扣掉一秒 and 某一年要加一秒

leap second is exactly about 某一年要扣掉一秒 and 某一年要加一秒

所有跟贴·加跟贴·新语丝读书论坛

送交者: steven 于 2010-03-26, 16:17:39:

回答: 那也不对。由 Amsel 于 2010-03-26, 15:53:35:

Because of the uneven slow down, there will be times, that the solar day, or earth rotation is faster. It is in the chart of solar day changes.

Since it never happened that one second was deducted in a year, - Amsel (228 bytes) 2010-03-26, 16:27:28 (426140)
- 那润一次秒管6万多年。6万年前人类计时精度就这么高了，奇迹。 (无内容) - JFF (0 bytes) 2010-03-26, 16:48:31 (426144)

no, IERS controls when to add leap seconds. If it happens, - steven (40 bytes) 2010-03-26, 17:36:57 (426155)