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- Salem witch trials (12402 bytes)
160: * [[spectral evidence]] - Solar system (21174 bytes)
7: ...e [[Sun]] (☉) is a [[Stellar_classification|spectral class]] G2 [[star]] that contains 99.86% of the s... - Sun (20830 bytes)
128: ... sequence]] star, with a [[Stellar_classification|spectral class]] of G2, meaning that it is somewhat more m... - Asteroid (24334 bytes)
28: ===Spectral classification===
30: ...ed on [[colour]], [[albedo]], and [[spectral line|spectral shape]] was developed by [[Clark R. Chapman]], [[...
38: ...rtion of known asteroids falling into the various spectral types does not necessarily reflect the proportion...
40: ====Problems with spectral classification====
42: Originally, spectral designations were based on inferences of an aster... - Jupiter (24639 bytes)
145: ...]], although the latter possesses rather specific spectral lines, but in any case it would need to be about ... - Morse code (33777 bytes)
42: ...d energy in a small bandwidth gives the signal a "spectral brightness" that is much higher than the average ... - Hubble Space Telescope (50930 bytes)
107: ... incorporated a set of 48 [[filter]]s isolating [[spectral line]]s of particular astrophysical interest. Th...
109: ...on with [[Ball Aerospace]], and could achieve a [[spectral resolution]] of 90,000. Also optimised for ultra... - History of astronomy (13532 bytes)
70: ...ecomposing the light from the sun, multitude of [[spectral line]]s were observed (regions where there was le...
73: ...]] organized the stellar [[stellar classification|spectral types]] according to stellar temperature, and [[M... - Global warming (53726 bytes)
217: ...eenhouse Gas Emissions] (includes "Greenhouse Gas Spectral Overlaps and Their Significance") - Moon (37975 bytes)
299: ...t from one another — each produces a unique spectral "signature", detectable by a [[spectrometer]]. - Cadmium (10755 bytes)
190: ...ned the [[metre|meter]] in terms of a red cadmium spectral line (1m = 1,553,164.13 wavelengths). This defini... - Europium (8579 bytes)
157: ...[samarium]]-[[gadolinium]] concentrates which had spectral lines not accounted for by [[samarium]] or [[gado... - Helium (36603 bytes)
108: ...d]] helium as an unknown yellow [[spectroscopy | spectral line]] signature in light from a [[solar eclipse]... - Krypton (9031 bytes)
180: ...lliant [[green]] and [[Orange (colour)|orange]] [[spectral signature]]. It is one of the products of [[urani...
197: ...is composed of six [[stable isotopes]]. Krypton's spectral signature is easily produced with some very sharp... - Neodymium (12345 bytes)
112: ...onomical work]] to produce sharp bands by which [[spectral line]]s may be calibrated. Neodymium is also used... - Radium (13138 bytes)
110: ...um]] which gave a brilliant red flame color and [[spectral line]]s which had never been documented before. I... - Sodium (8714 bytes)
74: ...m is relatively abundant in [[star]]s and the D [[spectral line]]s of this element are among the most promin... - Technetium (32113 bytes)
189: ...n [[hydrochloric acid]]. It has characteristic [[spectral line]]s at 363 [[Nanometre|nm]], 403 nm, 410 nm, ...
231: ...] in [[California]] detected the [[spectroscopy | spectral signature]] of technetium (in particular, light a... - Thallium (12570 bytes)
114: .... The name comes from Thallium's bright [[green]] spectral [[emission line]]s. In 1862 Crookes and [[Claude-... - Analytical chemistry (4933 bytes)
17: ... to which they absorb or emit at a characteristic spectral frequency. These methods have the disadvantage of...
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