Selective Comparison
Visible light is about 0.4 μm to 0.7 μm, and 0.75 μm to 1000 μm (1 mm) is a typical range for infrared astronomy, far-infrared astronomy, to submillimetre astronomy.
| Selected infrared space telescopes | |||||||
| Name | Year | Wavelength | |||||
|---|---|---|---|---|---|---|---|
| IRAS | 1983 | 5–100 μm | |||||
| ISO | 1996 | 2.5–240 μm | |||||
| Spitzer | 2003 | 3–180 μm | |||||
| Akari | 2006 | 2–200 μm | |||||
| Herschel | 2009 | 55–672 μm | |||||
| WISE | 2010 | 3–25 μm | |||||
| JWST | Planned | 0.6–28.5 μm | |||||
Read more about this topic: Infrared Telescope
Famous quotes containing the words selective and/or comparison:
“The selective memory isn’t selective enough.”
—Blake Morrison (b. 1950)
“Certainly there is not the fight recorded in Concord history, at least, if in the history of America, that will bear a moment’s comparison with this, whether for the numbers engaged in it, or for the patriotism and heroism displayed.”
—Henry David Thoreau (1817–1862)