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  1. Aqueous humour (2105 bytes)
    3: ...eous veins]] and eventually into the veins of the orbit.
  2. Optic nerve (5184 bytes)
    7: ...mponent lengths are 1mm in the globe, 25mm in the orbit, 9mm in the optic canal and 16mm in the cranial s...
  3. Moon (37975 bytes)
    9: ! bgcolor="#ffc0c0" colspan="2" | [[Orbit]]al characteristics
    14: ! align="left" | Orbital [[circumference]]
    17: ! align="left" | [[Eccentricity (orbit)|Eccentricity]]
    32: ! align="left" | [[Avg. Orbital Speed]]
    35: ! align="left" | Max. Orbital Speed
  4. Hydrogen (20221 bytes)
    110: ... of biomass derivatives such as [[glucose]] or [[sorbitol]], which can be done at low temperatures throug...
    144: ...[[gravity]], but the proton holds the electron in orbit with the force of [[electromagnetism]]. Another ...
  5. Mouse (5574 bytes)
    19: ...]] [[Biosatellite]] project, a group of mice will orbit [[Earth]] inside a spinning spacecraft to determi...
  6. Winter solstice (2548 bytes)
    2: ... moment when the [[earth]] is in a point of its [[orbit]] at which the northern or southern [[hemisphere]...
  7. History of Greek and Roman Egypt (25856 bytes)
    3: ...Alexander the Great]] brought '''Egypt within the orbit of the Greek world''' for the next 900 years. Aft...
  8. Hipparchus (astronomer) (50785 bytes)
    63: ...he [[eccentricity (orbit)|eccentricity]] of the [[orbit]]s of the Moon and Sun. He tabulated values for ...
    85: === Orbit of the Moon ===
    89: ... mean motion in longitude) over the main circular orbit around the Earth, called '''deferent'''; see [[de...
    90: ...he relative proportions and actual sizes of these orbits.
    111: === Orbit of the Sun ===
  9. Hipparchus (50784 bytes)
    62: ...he [[eccentricity (orbit)|eccentricity]] of the [[orbit]]s of the Moon and Sun. He tabulated values for ...
    84: === Orbit of the Moon ===
    88: ... mean motion in longitude) over the main circular orbit around the Earth, called '''deferent'''; see [[de...
    89: ...he relative proportions and actual sizes of these orbits.
    110: === Orbit of the Sun ===
  10. Ice Age (15809 bytes)
    30: ...l) forcing; and some recent considerations of the orbital forcing have even argued that in the absence of...
    34: ...s [[Milankovitch cycles]] (and possibly the Sun's orbit around the [[galaxy]]), and the arrangement of th...
    38: ...ge. The complex pattern of changes in [[Earth]]'s orbit and the change of [[albedo]] may influence the oc...
    40: ...r. Some workers believe that the strength of the orbital forcing appears to be too small to trigger glac...
    42: ...Earth's [[eccentricity (orbit)|eccentricity]] and orbital [[inclination]], and yet is by far the weakest ...
  11. Globe (2597 bytes)
    4: ...ary relative to those of the stars; however, the "orbit" of the Sun is indicated).
  12. Star (12279 bytes)
    5: ...akes 4.2 years to reach Earth). Travelling at the orbit speed of the [[Space Shuttle]] (5 miles per secon...
  13. Space Shuttle program (41074 bytes)
    2: ...vehicle]] currently in service. The Space Shuttle orbiter was manufactured by [[North American Rockwell]]...
    4: ...ity to recover satellites and other payloads from orbit and return them to Earth, this capacity has not b...
    10: ...ce Telescope]] (HST) are impractical, because the Orbiter is incapable of reaching both HST and ISS durin...
    27: ...iles (1,600 km), whereas in a "normal" equatorial orbit NASA needed the range would be less than 400. Thi...
    29: ...nnes) delivery to a "normal" 28-degree equatorial orbit. In fact any design using simple straight or fold...
  14. Scientific method (40667 bytes)
    90: ...]] of the planet [[Mercury (planet)|Mercury]]'s [[orbit]] exhibits a precession which is not fully explai...
  15. Ursa Major (6591 bytes)
    33: ... galactic plane. The Sun, in its normal streaming orbit around the Galaxy, just drifted on in to their re...
    35: ... it peregrinated on its 250 million year galactic orbit.
  16. North Pole (13759 bytes)
    14: ...jiggling about the mean orientation, because Io's orbit is slightly eccentric and the gravity of the othe...
  17. Global Positioning System (28209 bytes)
    5: ...Earth orbit]]. It uses an [[intermediate circular orbit]] (ICO) [[satellite constellation]] of at least 2...
    14: ... GPS constellation ''(Block II)'' was placed into orbit on [[February 14]], [[1989]]. The 52nd GPS satell...
    18: ... "constellation" of at least 24 satellites in 6 [[orbital plane]]s.
    21: ...g with administrative information including the [[orbital element]]s of their own motion, as determined b...
    73: ...series of additional satellites in geosynchronous orbit for transmission to GPS receivers, including info...
  18. Satellite (6584 bytes)
    2: A '''satellite''' is an object that [[orbit]]s another object (known as its ''primary''). The...
    15: ...ed States|U.S.]] had been considering launching [[orbit]]al satellites since [[1945]] under the [[Bureau ...
    17: ... the Air Force and Navy were working on [[Project Orbiter]], which involved using a [[Jupiter-C IRBM|Jupi...
    19: ...ber 4]], [[1957]] [[Sputnik I]] was launched into orbit, which triggered the [[Space Race]] between the t...
    21: The largest artificial satellite currently orbiting the earth is the [[International Space Station...
  19. Tetrapod (26290 bytes)
    74: ...ss developed than in most amphibians and the post-orbital skull is exceptionally longer than an amphibian...
    92: ... of the skull lengthened, positioning the [[orbit|orbits]] farther back on the skull. The [[lacrimal bone...

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