Symbols and Abbreviations
| Unit | Value | Symbol | Sexagesimal system | In radians |
|---|---|---|---|---|
| Hour | 1⁄24 circle | ( h ) | 15° | π⁄12 rad |
| Minute | 1⁄60 hour | ( m ) | 1⁄4°, 15' | π⁄720 rad |
| Second | 1⁄60 minute | ( s ) | 1⁄240°, 1⁄4', 15" | π⁄43200 rad |
Read more about this topic: Right Ascension
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“Children became an obsessive theme in Victorian culture at the same time that they were being exploited as never before. As the horrors of life multiplied for some children, the image of childhood was increasingly exalted. Children became the last symbols of purity in a world which was seen as increasingly ugly.”
—C. John Sommerville (20th century)