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 Telescopes
Famous quotes containing the words selective and/or comparison:
“The selective memory isn’t selective enough.”
—Blake Morrison (b. 1950)
“He was a superior man. He did not value his bodily life in comparison with ideal things. He did not recognize unjust human laws, but resisted them as he was bid. For once we are lifted out of the trivialness and dust of politics into the region of truth and manhood.”
—Henry David Thoreau (1817–1862)
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