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- Asteroid (24334 bytes)
1: ...steroids are within the [[asteroid belt]], with [[ellipse|elliptical]] orbits between those of [[Mars (plan...
4: ... that term to the small moons of the [[gas giant|giant planets]]. The first [http://adsabs.harvard.edu...
8: ...nition is that asteroids are larger than 50 m in diameter, distinguishing them from [[meteoroid]]s, wh...
10: ...bjects that include asteroids. The term '''artificial asteroid''' is sometimes used to designate man-m...
14: ...[99905 Jeffgrossman]] [http://cfa-www.harvard.edu/iau/lists/NumberedMPs95001.html]. - Comet (30542 bytes)
3: ...[ellipse|elliptical]] orbits, the [[aphelion|aphelia]] of which may be many times more distant than [[...
5: ...omets which have lost all their [[volatile]] materials may come to resemble asteroids.
9: ...d the force exerted on the coma by the sun's [[radiation pressure]] and [[solar wind]] cause an enormo...
11: ...appearance have been noticed by humans for millennia. One very famous old recording of a comet is the...
15: ...x [[organic compound]]s are the dark surface material. Solar heating drives off volatile compounds lea... - History of science (41710 bytes)
2: Modern [[science]] is a body of verifiable [[empirical knowledge]], a global community of...
6: ...both the [[Natural science|natural]] and the [[social science]]s attempt to base their [[theory|theori...
15: ...e in the scientific community and those in the social sciences or humanities (for example, the "[[Scie...
23: ... unproven. Some believed that setting up ''artificial'' conditions in an experiment could never produc...
40: ... school of [[scholasticism]]. The rise of [[Christianity]] saw a strange paradox: classical Greek phil... - Isaac Newton (23339 bytes)
2: ...Wilhelm Leibniz]] for the development of differential [[calculus]]. While they both discovered calculu...
4: ...]]s (such as those of [[comet]]s) were not only [[ellipse|elliptic]], but could also be [[hyperbola|hyperbo...
6: ...ooling of objects when exposed to air; the [[binomial theorem]] in its entirety; and the principles of...
19: ...[[apothecary]], [[William Clarke (apothecary)|William Clarke]] and eventually became engaged to the ap...
23: ...er|Kepler]]. In [[1665]] he discovered the [[binomial theorem]] and began to develop a mathematical th... - Venus (planet) (31010 bytes)
1: ...ugh all planets' [[planetary orbit|orbits]] are [[ellipse|elliptical]], Venus's orbit is the closest to [[c...
5: Venus was known to ancient [[Babylon]]ians around [[1600s BC|1600 BC]], and to the [[Maya]...
7: ...nereal]]'', is avoided because of its modern association with [[sexually transmitted disease]]s. Some...
14: ...1 W/m? at the surface). Owing to the thermal inertia and convection of its dense atmosphere, the tempe...
16: The solar irradiance is so much lower at the surface of Venus becau... - Mars (27704 bytes)
2: [[Image:Mars NPArea-PIA00161 modest.jpg|thumb|right|North Polar region wi...
11: Mars' [[celestial body atmosphere|atmosphere]] is thin: the [[air ...
18: ...ave helped to protect the planet from [[cosmic radiation]]. Other explanations have also been proposed...
22: ...also been found by the Spirit rover in the "Columbia Hills".
24: ... of 2005]], this interpretation remains controversial with no consensus having emerged. - Sundial (16148 bytes)
1: ...-sundial-on-a-map.jpg|thumb|center|600px|Gold sundial on a map]]
4: ...t-remy-of-provence.jpg|thumb|300px|right|Wall sundial]]
5: [[Image:Sundial.jpg|thumb|250px]]
6: A '''sundial''' measures [[time]] by the position of the [[su...
7: ...ns, such as the 'ordinary' or standard garden sundial, cast a shadow on a flat surface marked with the... - Wildfire (23185 bytes)
2: ...jpg|thumb|400px|Fire in [[San Bernardino, California]] Mountains (image taken from the [[International...
4: ...ass fire''', or '''[[bushfire]]''' (in [[Australasia]]), is an uncontrolled [[fire]] in [[wildland]] o...
14: ...iods when fallen branches, leaves, and other material can dry out and becomes highly flammable. Wildfi...
22: ...vere property damage for those living in the immediate fire area, but it also affects the quality of t...
33: * "crawling" fire: the fire spreads via low level vegetation (e.g. bushes) - Arch (4239 bytes)
16: ... stronger. This design had been used by the Assyrians as early as 722 BC. The [[parabola|parabolic]]...
24: A special form of the arch is the [[triumphal arch]], usua...
34: * [[Jefferson National Expansion Memorial]], in [[Saint Louis, Missouri]], [[United States...
39: * [[Diaphragm arches]] - White House (15373 bytes)
4: The '''White House''' is the official residence and principal workplace of the [[Presi...
6: ..., the White House announced a new health care initiative." The [[United States Secret Service|Secret S...
8: ...American_twenty_dollar_bill|$20 bill]]. Presidential residences, both temporary and permanent, in the...
12: ...t is now the seat of the [[Dᩬ ɩreann|Irish Parliament]]. Construction was completed on [[November 1...
18: ...me '''Executive Mansion''' was often used in official context until President [[Theodore Roosevelt]] e... - Hipparchus (astronomer) (50785 bytes)
2: ...] [[astronomer]], [[geographer]], and [[mathematician]]. The [[European Space Agency|ESA]]'s [[Hipparc...
4: ...ometry, he was probably the first to develop a reliable method to predict [[solar eclipse]]s. His oth...
8: ...r]]'s ''[[Pliny's Natural History|Naturalis historia]]'' ("Natural history") ([[1st century]]).
10: ...''), [[ancient history|ancient]] district [[Bithynia]], (modern-day [[İznik, Turkey|İznik]] ...
14: .... Hipparchus obtained information from [[Alexandria]] as well as [[Babylon]], but it is not known if ... - Hipparchus (50784 bytes)
1: ...] [[astronomer]], [[geographer]], and [[mathematician]]. The [[European Space Agency|ESA]]'s [[Hipparc...
3: ...ometry, he was probably the first to develop a reliable method to predict [[solar eclipse]]s. His oth...
7: ...r]]'s ''[[Pliny's Natural History|Naturalis historia]]'' ("Natural history") ([[1st century]]).
9: ...''), [[ancient history|ancient]] district [[Bithynia]], (modern-day [[İznik, Turkey|İznik]] ...
13: .... Hipparchus obtained information from [[Alexandria]] as well as [[Babylon]], but it is not known if ... - History of science in the Middle Ages (30877 bytes)
14: ...ined what was left of intellectual strength, especially through [[monasticism]].
16: ...as the [[Dark Ages]]. Nowadays, most modern historians dismiss the use of the term by pointing out tha...
18: ...erary education ([[grammar]], [[rhetoric]] and [[dialectic]]) and the ''quadrivium'', or scientific ed...
20: ...ded under the auspices of Charles the Great, especially ''cathedral'' schools, would become [[universi...
27: ...val universities]], these universities aided materially in the translation, preservation and propagati... - North Pole (13759 bytes)
6:
12: ... the [[celestial sphere]] gives its north [[celestial pole]].
14: ...orth and south hemispheres, into pro- and anti-Jovian hemispheres, and into leading and trailing hemis...
23: ...s exist in the [[Pacific ocean|Pacific]] and [[Indian ocean]]s<!--- Not sure if there is one in the At...
27: ...ed a framework called the [[International Terrestrial Reference System]] that does an admirable job. T...
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