Shedding a New Light on the Universe
Common Unit Prefixes used in Astronomy
| Small | Large |
| pico (p) = 10-12 | kilo (k) = 103 |
| nano (n) = 10-9 | mega (M) = 106 |
| micro (m) = 10-6 | giga (G) = 109 |
| milli (m) = 10-3 | tera (T) = 121 |
| centi (c) = 10-2 |
- |
| Frequency Range (Hz) | Wavelength Range | Energy Range | Type of Radiation |
| 1020-1024 | 10-12 - 10-16 m | .4-4000 MeV | gamma-rays |
| 1017 - 1020 | 1 nm - 1 pm | .4-400 keV | X-rays |
| 1015 - 1017 | 400 - 1 nm | 4-400 eV | ultraviolet light |
| 4.3 - 7.5 x 1014 | 700-400 nm | 1.77-3.1 eV | visible light |
| 1012 - 1014 | 2.5 mm - 700 nm | 4-400 meV | infrared light |
| 108 - 1012 | 1 mm - 2.5 mm | 40-4000 meV | microwaves |
| 100 - 108 | 108 - 1 m | 400-400,000 peV | radio waves |
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