Year 2005 Extended by One Leap Second Scientists have extended 2005 by one second. A leap second will be added on Dec. 31, the first one since 1998.
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Year 2005 Extended by One Leap Second

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Year 2005 Extended by One Leap Second

Year 2005 Extended by One Leap Second

Year 2005 Extended by One Leap Second

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Scientists have extended 2005 by one second. A leap second will be added on Dec. 31, the first one since 1998.

Guests:

Jeff Chester, astronomer at the U.S. Naval Observatory

Toby Pirro, supervisor of system technical center for NPR