Splitting The Second
Download or Read eBook Splitting The Second PDF written by A Jones and published by CRC Press. This book was released on 2000-01-01 with total page 203 pages. Available in PDF, EPUB and Kindle.
| Author | : A Jones |
| Publisher | : CRC Press |
| Total Pages | : 203 |
| Release | : 2000-01-01 |
| ISBN-10 | : 9781420033496 |
| ISBN-13 | : 1420033492 |
| Rating | : 4/5 (96 Downloads) |
Book Synopsis Splitting The Second by : A Jones
Book excerpt: 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
