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- Asteroid (24334 bytes)
4: ...word in its title was published in [[1840]] by [[Georg Adolph Erman|Erman]]<!--- (1806-1877) not to be...
8: ... strike Earth largely intact while the smaller meteoroids generally break up high in Earth's atmospher...
10: ... for Solar System objects that are bigger than meteoroids, smaller than planets, and made out of rock,...
30: ...axonomy|taxonomic]] system based on [[colour]], [[albedo]], and [[spectral line|spectral shape]] was devel...
32: *[[C-type asteroid]]s - carbonaceous, 75% of known asteroids - Mercury (planet) (22924 bytes)
15: {{main|Geology of Mercury}}
20: * [[Albedo]] features (areas of markedly different reflectiv...
28: ...17%). Surrounding the core is a 600 km [[mantle (geology)|mantle]].
124: ! align="left" | [[Albedo]]
182: ...on. [[Einstein]]'s [[General relativity|General Theory of Relativity]] instead provided the explanatio... - Cloud (9947 bytes)
5: ...droplets of water (typically 0.01 mm [http://www.geog.ucsb.edu/~joel/g110_w03/chapt06/cloud_drops/agbu...
22: ...most important is through the Bergeron Process, theorized by [[Tor Bergeron]], in which supercooled wa...
24: ...d clouds. Stable air produces horizontally homogeneous clouds. Frontal uplift creates various cloud fo...
85: ...roposphere]]; these include [[nacreous clouds|nacreous]] and [[noctilucent cloud]]s, which occur in th...
97: ...d which shows green is a pretty sure sign that someone is about to experience heavy rain, [[hail]], st... - Venus (planet) (31010 bytes)
16: ...bedo]] is approximately 60%, and its visual light albedo is even greater. Thus, despite being closer to t...
25: ...s they fall toward the surface, and even large meteors will strike the surface at too low a speed to f...
27: ...canically active in isolated [[Hotspot (geology)|geological hotspots]].
29: ...ly) in Venus's atmosphere seems to support this theory. Molecular oxygen is thought to have combined w...
46: ... much the same manner as the Earth's Moon. [[Galileo Galilei]] was the first person to observe the pha... - Mars (27704 bytes)
4: ...bly being captured [[asteroid]]s. The prefix '''areo-''' refers to Mars.
8: Mars has always fascinated people. Its red, fiery appearance is caused by Iron O...
17: ===Geology===
18: ...d on the ocean floors of Earth. One interesting theory, published in [[1999]] is that these bands coul...
24: In [[1996]], researchers studying a meteorite ([[ALH84001]]) believed to have originated fr... - Jupiter (24639 bytes)
55: ! align="left" | [[geographical pole|Polar]] [[diameter]]
94: ! align="left" | [[Albedo]]
149: ...; Galileo's outspoken support of the Copernican theory got him in trouble with the [[Inquisition]].
175: ...|liquid]] hydrogen, which is surrounded by [[gas]]eous hydrogen. There is no clear boundary or surface...
179: ... [[carbon]], [[ethane]], [[hydrogen sulfide]], [[neon]], [[oxygen]], [[phosphine]], and [[sulfur]]. Th... - Saturn (planet) (23300 bytes)
55: ! align="left" | [[geographical pole|Polar]] diameter
94: ! align="left" | [[Albedo]]
157: ...3]] they reappeared again, further confusing Galileo.
159: ...uch more powerful than the ones available to Galileo in his time.
165: ...ula]]r material that Saturn formed out of. This theory is not widely accepted today, since Saturn's ri... - Uranus (15207 bytes)
64: !align="left"| [[geographical pole|Polar]] diameter
103: !align="left"| [[Albedo]]
149: .... It appears that Uranus does not have a [[Rock (geology)|rock]]y core like Jupiter and Saturn but rat...
172: ...bly earlier. The name ''Georgium Sidus'' or "the Georgian" were still used infrequently (by the Britis... - Neptune (planet) (18545 bytes)
63: ! align="left" | [[geographical pole|Polar]] diameter
102: ! align="left" | [[Albedo]]
148: ...nce between Neptune and Uranus is the level of meteorological activity. Uranus is visually quite blan...
152: ...een moving at its regular/average speed when Galileo first observed it in 1612 and 1613, he would have...
154: ...nus]]' motion. He sent his calculations to Sir [[George Airy]], who asked Adams for a clarification; A... - Pluto (planet) (26470 bytes)
97: !align="left"| [[Albedo]]
126: ...ed to suggest a name for the new planet before someone else did". Soon suggestions began to pour in fr...
159: ...ormerly believed. Current estimates place Pluto's albedo as marginally less than that of Venus, which is f...
161: ...ptune. Triton also shares many atmospherical and geological composition similarities with Pluto.
165: ...nd other experiments, to characterize the global geology and morphology of Pluto and its moon Charon, ... - Ice age (15810 bytes)
8: == Origin of ice age theory ==
10: ...n Louis Rodolphe Agassiz|Louis Agassiz]] of the theory, and Agassiz published it in his book ''ɴude s...
16: ... subsequent [[Cambrian Explosion]], though this theory is recent and controversial. A minor ice age o...
22: ...the web site [http://www.scotese.com/earth.htm Paleomap Project] for images of the polar landmass dist...
24: ...to interpret. It took some time for the current theory to be worked out. Analyses of ice cores and oce... - Climate change (15859 bytes)
5: ...rmian-Triassic extinction event]] and [[Paleocene-Eocene Thermal Maximum]].
11: ...orbital forcing - variations in the seasonal and geographical distribution of [[insolation]]; and in t...
22: ...vels throughout the [[Phanerozoic]], [http://www.geocraft.com/WVFossils/PageMill_Images/image277.gif C...
23: ...</sub> levels less than 400 ppm (see [http://www.geocraft.com/WVFossils/Carboniferous_climate.html|"Cl...
28: ...ltural or other changes that affect the Earth's [[albedo]], the [[carbon cycle]], or methane production. - Moon (37975 bytes)
97: ! align="left" | [[Albedo]]
176: | [[Neon]]
201: ...ia]]'' (singular: ''mare''), which are the dark [[albedo feature]]s.
226: ...15? = 28.60? and 23.45? - 5.15? = 18.30?. Simultaneously, the axis of lunar rotation sees its tilt ''w...
286: ...ut the same time from the accretion disk. This theory fails to explain the depletion of iron in the M... - Ice Age (15809 bytes)
7: == Origin of ice age theory ==
9: ...n Louis Rodolphe Agassiz|Louis Agassiz]] of the theory, and Agassiz published it in his book ''ɴude s...
15: ... subsequent [[Cambrian Explosion]], though this theory is recent and controversial. A minor ice age o...
21: ...the web site [http://www.scotese.com/earth.htm Paleomap Project] for images of the polar landmass dist...
23: ...to interpret. It took some time for the current theory to be worked out. Analyses of ice cores and oce... - Wind power (27669 bytes)
13: ...d night, the [[Coriolis effect]], the irregular [[albedo]] (reflectivity) of land and water, humidity, and...
24: ...eu.edu/gorban/Gorlov2001.pdf] by Gorlov shows a theoretical limit of about 30% for propeller-type turb...
32: ... ratio of actual productivity in a year to this theoretical maximum is called the annual load factor. ...
36: ...m/h (5.5 m/s or 12.5 miles/hour). Obviously, [[meteorology]] plays an important part in determining po...
42: ...tures during the cold snap. For example, the St. Leon, [[Manitoba]] project has a total rating of 99 M... - Arctic Ocean (7316 bytes)
4: ==Geography==
16: Geographic coordinates: {{coor dm|90|00|N|0|00|E|}}
41: ...tic sea ice will have an effect on the planet's [[albedo]], thus affecting [[global warming]]. Many scien... - Water (15217 bytes)
5: ...]] involving [[evaporation]], [[precipitation (meteorology)|precipitation]], and [[runoff (water)|runo...
13: ...few. Through [[evaporation]], [[precipitation (meteorology)|precipitation]], and [[runoff (water)|runo...
34: ...hase is less dense than liquid water, due to the geometry of the strong hydrogen bonds which are forme...
42: ...which allow the three forms to be present simultaneously would be far less likely to exist.
46: ...xist only as vapor. In the former case, the low [[albedo]] of [[ocean]]s would cause Earth to absorb more ... - Contrail (4281 bytes)
26: ...tion of heat during the night by increasing the [[albedo]]. The suspension of air travel for 3 days in the...
29: ...[[Chemtrail theory]] — for a [[conspiracy theory]] alleging that some contrail-like clouds are n...
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