Splitting The Seconds
Download and Read Splitting The Seconds full books in PDF, ePUB, and Kindle. Read online free Splitting The Seconds ebook anywhere anytime directly on your device. We cannot guarantee that every ebooks is available!
Splitting The Second
Author | : A Jones |
Publisher | : CRC Press |
Total Pages | : 203 |
Release | : 2000-01-01 |
Genre | : Science |
ISBN | : 1420033492 |
Download Splitting The Second Book in PDF, Epub and Kindle
Until the 1950s timekeeping was based on the apparent motion of the Sun that in turn reflected the rotation of the Earth on its axis. But the Earth does not turn smoothly. By the 1940s it was clear that the length of the day fluctuated unpredictably and with it the length of the second. Astronomers wanted to redefine the second in terms of the moti