top
top| Time s (second) |
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1 10 100 1 10 1/10 1 10 1 15 150 1 15 150 3 30 300 3 30 300 3 30 300 3 30 |
us ms s min day Y kY MY GY |
10ns -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Duration of a: blink heart beat 2 weeks season person country continent star |
Light travels: 300 meters 2 miles around Earth from Moon from Sun near stars across galaxy near galaxies visibility |
Ago: light from 300 meters away light from 2 miles away yesterday last year you were born written history civilization modern human spread homo sapiens multi-cellular life age of Earth & Sun age of visible universe (~13 GY) |
Comments encouraged. - Mitchell N Charity <mcharity@lcs.mit.edu> |
A previous draft, not yet fully replaced...
| s | ||
|---|---|---|
| ... | ||
| 10-9 | ns nanosecond | |
| 10-8 | ||
| 10-7 | ||
| 10-6 | us microsecond | |
| 10-5 | ||
| 10-4 | ||
| 10-3 | ms millisecond | |
| 10-2 | ||
| 10-1 | ||
| 100 | second | |
| 101 | ||
| 102 | minute (×0.6) | |
| 103 | ks kilosecond | |
| 104 | hour (×0.36) | |
| 105 | day (×0.86) | |
| 106 | Ms megasecond | week (×0.60) | |
| 107 | year (×3.2) | |
| 108 | decade (×3.2) | |
| 109 | Gs gigasecond | century (×3.2) | |
| 1010 | 300 years | |
| 1011 | 3000 years | |
| 1012 | Ts terasecond | 30 kyr | |
| 1013 | ||
| 1014 | 3 Myr | |
| 1015 | Ps petasecond | |
| 1016 | ||
| 1017 | 3 Gyr | age of earth | |
| 1018 | Es exasecond | 30 Gyr | age of universe (×~0.4, ~13 Gyr) |