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- Wavelength (2857 bytes)
1: ...ating units of a [[wave]] pattern. It is commonly designated by the [[Greek language|Greek]] [[letter]...
9: ...e type divided by the frequency of the wave. When dealing with [[electromagnetic radiation]] in a vacu...
25: ...s reduced by a factor equal to the [[refractive index]] ''n'' of the medium but the frequency of the w...
34: ...antum mechanical]] [[wavefunction]], called the [[de Broglie wavelength]].
41: *[[amplitude]] - Hipparchus (50784 bytes)
3: ...chus. However, his synthesis of astronomy superseded Hipparchus's work: although Hipparchus wrote at ...
7: ...eographia'' ("Geography"), and from [[Pliny the Elder]]'s ''[[Pliny's Natural History|Naturalis histor...
9: ...cient history|ancient]] district [[Bithynia]], (modern-day [[İznik, Turkey|İznik]] in provin...
13: ...was calculated by [[Jean Baptiste Joseph Delambre|Delambre]], based on clues in his work. Hipparchus ...
15: ...ts. In the 2nd and 3rd centuries [[coin]]s were made in his honour in Bithynia that bear his name and ... - Ursa Major (6591 bytes)
8: ...ation]]s of Alpha to Eta Ursae Majoris, in that order. Mizar has a companion star called [[Alcor]], ju...
12: ...n [[Sagittarius]]. A few other members have been identified, and it has been given the name [[Ursa Maj...
20: These stars are found along the southwest border of the constellation, the bear's toes.
22: ...binary]] [[variable star]]s, and ranges in magnitude between 7.75m and 8.48m.
26: ==Notable [[deep sky object]]s== - Scorpius (3888 bytes)
6: ...affias]] (β<sup>1</sup> Sco), [[Dschubba]] (δ Sco), [[Sargas]] (θ Sco), [[Shaula]] (&...
8: ==Notable deep sky objects==
10: ...the Milky Way, this constellation contains many [[deep sky object]]s such as the [[open cluster]]s [[O...
14: ..., the scorpion rising out of the ground at the goddess' command to attack. Although the scorpion and ...
16: ...he horizon, Orion starts to sink into the other side of the sky, still running from the attacker. - Leo (2655 bytes)
5: ...er stars have been named as well, such as Zosma (δ Leonis), Chort (θ Leonis), Al Minliar a...
13: ==Notable deep sky objects==
17: In [[Greek mythology]], it was identified as the [[Nemean Lion]] (and may have been ...
20: ...u astrological sign of the [[Sidereal astrology|sidereal zodiac]] ([[August 10]] - [[September 15]]). - Sagittarius (3908 bytes)
2: ... a [[constellation]] of the [[zodiac]], commonly depicted as a [[centaur]] drawing a bow. Sagittarius...
4: ...rius Dwarf Elliptical Galaxy]], located just outside the [[Milky Way]].
7: ...(σ) and τ Sagitarii the handle. [http://deepsky.astroinfo.org/Sgr/] [http://www.flandrau.org...
9: ...ghtest star of the constellation, having a magnitude of only 4.0.
11: ==Notable deep-sky objects== - Color (30968 bytes)
4: ...ealth English]]) is a sensation which (in humans) derives from the ability of the [[cone cell|fine str...
9: <table border="0" cellspacing="0" cellpadding="2">
46: [[Image:Spectrum441pxWithnm.png]]<br><small>''Designed for monitors with [[gamma correction|gamma]...
59: <table border="0" cellspacing="0" cellpadding="2">
143: ...sation, although any such definition would vary widely among different species and also somewhat among...
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