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- Pluto (planet) (26470 bytes)
2: |+ <big>'''Pluto'''</big>
4: ...lspan="2" align="center"| [[image:Pluto.jpg|250px|Pluto in True Color]]
5: .../><small><font color="white">'''Brightness map of Pluto'''</font></small>
120: ...e]]) there has been some debate regarding whether Pluto should be classified as a planet (see below for d...
124: Pluto was discovered by the astronomer [[Clyde W. Tomba...
Page text matches
- Bee (11175 bytes)
37: ...to survive on her own for at least a short time (unlike queens in eusocial species who must be cared f...
45: ... is probably triggered by day length. She is the only fertile [[female]], and deposits all the [[Egg (...
61: ...ree years, while workers have an average life of only three months (during the foraging season, but lo...
88: The largest bee in the world is the [[Megachile pluto]]. - Igneous rock (11419 bytes)
3: ...ation, either below the surface as [[intrusive]] (plutonic) rocks or on the surface as extrusive ([[volca...
6: ...e [[Continental crust|continents]], but averages only some 7 kilometers (4.3 miles) beneath the [[Ocea...
8: ...a from which the minerals crystallize is rich in only certain elements: [[silicon]], [[oxygen]], [[alu...
17: ... [[tungsten]], [[tin]], and [[uranium]], are commonly associated with [[granite]]s.
23: ...rence, igneous rocks can be either [[intrusive]] (plutonic) or extrusive ([[volcanic]]). - Earth (30908 bytes)
7: ...olar system]]'s [[terrestrial planet]]s, and the only planetary body that [[modern science]] confirms ...
14: ...Earth (the summit of [[Mount Everest]], which is only 8,850 m) and the lowest (the bottom of the [[Mar...
55: ...he heat flow from the interior to the surface is only 1/20,000 as great as the energy received from th...
68: ...Since the average density of surface material is only around 3000 kg/m<sup>3</sup>, we must conclude t...
80: ...geodyn/poster2.html]. Thus, the upper mantle can only flow very slowly. - Timeline of invention (28171 bytes)
110: * [[1510]]: [[Pocket watch]]: [[Peter Henlein]]
311: ...ormer]]: [[William Stanley (physicist)|William Stanley]]
321: ... [[1888]]: [[Pneumatic tube tire]]: [[John Boyd Dunlop]]
394: * [[1914]]: [[Tank]], military: [[Ernest Dunlop Swinton]]
452: ...luto|Hartley, Anglo-Iranian, Siemens in Operation Pluto]] - Solar system (21174 bytes)
17: **[[Pluto (planet)|Pluto]] (♇).
23: ...rtificial [[satellite]]s orbiting the planets, mainly Earth, as well as probes heading into [[deep spa...
31: ...t of the inner planets and an [[aphelion]] beyond Pluto. Short-period comets exist with apoapses closer t...
34: ... being a planet, and the Kuiper belt objects with Pluto-like orbits are called [[Plutino]]s. The remainin...
38: ...right|thumb|Mosaic of Solar System planets except Pluto, including Earth's Moon (not to scale).]] - Comet (30542 bytes)
3: ... be many times more distant than [[Pluto (planet)|Pluto]]'s orbit. Often described as "dirty snowballs", ...
11: ...ugh the inner solar system, the dust reflecting sunlight directly and the gases glowing due to [[ion|i...
15: ...vered that [[Comet Borrelly]]'s surface reflects only 2.4% to 3% of the light that falls on it; by com...
17: ...-rays and far ultraviolet photons [http://www.kvi.nl/~bodewits].
29: ... their discoverers, but comets that had appeared only once continued to be referred by the year of the... - Planet (8450 bytes)
21: # [[Pluto (planet)|Pluto]] (♇) (many astronomers contend it should ...
25: ...h would include the five objects mentioned above (Pluto, Sedna, Orcus, Quaoar, and Varuna).
30: ... is added to include bodies like [[Pluto (planet)|Pluto]], whose composition is primarily [[ice]]; this c...
32: ...ans-Neptunian object]]s which are very similar to Pluto in orbit, size and composition, many people think...
33: Using this definition, neither Pluto nor Sedna would be a major planet. - Mercury (planet) (22924 bytes)
1: ...was [[Mariner 10]] ([[1974]]–[[1975|75]]); only 40–45% of the planet has been mapped.
9: ===Temperature and sunlight===
10: ...adiation]]; not [[climate]] or [[season]]). The sunlight on Mercury's surface is 6.5 times as intense ...
28: ...ls 42% of the planetary [[volume]] (Earth's core only fills 17%). Surrounding the core is a 600 km [[m...
36: ... also remarkable in that it has an axial tilt of only 0.01 degrees, which is over 300 times smaller th... - Venus (planet) (31010 bytes)
3: ...uring the daytime, making it one of only two heavenly bodies that can be seen both day and night (the ...
7: The adjective ''Venusian'' is commonly used for Venus, but it is etymologically incorre...
14: ...nds in the upper atmosphere circle the planet in only 4 days, helping to distribute the heat.
16: ...ght back into space. This prevents most of the sunlight from ever heating the surface. Venus's [[Bol...
18: ... of force against obstructions. The clouds are mainly composed of [[sulfur dioxide]] and [[sulfuric ac... - Mars (27704 bytes)
8: ... a quarter the surface area of the [[Earth]] and only one-tenth the [[mass]] (though its surface area ...
11: ... is thin: the [[air pressure]] on the surface is only 750 [[pascal]]s, about 0.75 percent of the avera...
22: ... mineral [[goethite]], which (unlike hematite) ''only'' forms in the presence of water, along with oth...
31: ...[[Mount Everest]] and the [[Mariana Trench]]) is only 19.7 km. Combined with the planets' different ra...
44: ... belief by some that life existed on Mars, due mainly to observations by [[Percival Lowell]] of [[Mart... - Jupiter (24639 bytes)
145: ... its composition can, as adding extra mass would only result in further gravitational compression (unt...
185: The only spacecraft to have descended into Jupiter's atmo...
223: So far the only spacecraft to orbit Jupiter is the ''[[Galileo s...
237: ...izons]]'' probe, ''en route'' to [[Pluto (planet)|Pluto]].
263: #The [[Pasipha렧roup]] is a disperse and only vaguely distinct group that covers all the outer... - Saturn (planet) (23300 bytes)
137: ...lanet)|Jupiter]]. Saturn has large rings made mainly out of ice and space debris. It was named after...
140: ...ith an average specific density of 0.69. This is only an average value, however; Saturn's upper atmosp...
144: ...t Saturn has a warm polar [[vortex]], and is the only planet in the solar system known to do so.
167: ...me gaps are cleared out by the passage of tiny moonlets such as [[Pan (moon)|Pan]], many more of which...
176: | [[Image:Saturn unlit rings.jpg|thumb|center|200px|''[[Cassini-Huygen... - Uranus (15207 bytes)
145: ...god]] [[Uranus (mythology)|Ouranos]], and is the only planet in the [[solar system]] named after a Gre...
149: ...omposed primarily of rock and various ices, with only about 15% [[hydrogen]] and a little [[helium]] (...
176: [[NASA]]'s [[Voyager 2]] is the only spacecraft to have visited the planet. Launched...
264: ...eFolio.cgi?direct=Space/Planets/Pluto Pictures of Pluto] - Neptune (planet) (18545 bytes)
136: ...st of the [[gas giants]]. Due to [[Pluto (planet)|Pluto]]'s [[Eccentricity_(orbit)|eccentric orbit]], Nep...
138: Neptune has been visited by only one spacecraft, ''[[Voyager 2]]'', which flew by...
152: ...ry day; because it was stationary in the sky and only beginning the planet's yearly retrograde cycle, ...
258: ...eFolio.cgi?direct=Space/Planets/Pluto Pictures of Pluto] - Pluto (planet) (26470 bytes)
2: |+ <big>'''Pluto'''</big>
4: ...lspan="2" align="center"| [[image:Pluto.jpg|250px|Pluto in True Color]]
5: .../><small><font color="white">'''Brightness map of Pluto'''</font></small>
120: ...e]]) there has been some debate regarding whether Pluto should be classified as a planet (see below for d...
124: Pluto was discovered by the astronomer [[Clyde W. Tomba... - March 19 (9902 bytes)
12: *[[1915]] - [[Pluto (planet)|Pluto]] is photographed for the first time but was not ...
35: ...and a [[bus]] crash head-on in [[Ĥnekoski]], [[Finland]]. 24 people are killed and 13 injured.
124: * [http://www.tnl.net/when/3/19 Today in History: March 19] - Plutonium (24623 bytes)
5: ...pan="2" align="center" | [[neptunium]] – '''plutonium''' – [[americium]]
17: | Plutonium, Pu, 94
30: ...|125px|Gloved hands holding a "button" of refined plutonium]]
150: ...lear weapon]]s. The most important [[isotope]] of plutonium is <sup>239</sup>Pu, with a [[half-life]] of ...
153: Plutonium is silvery in pure form, but has a yellow tar... - Scorpius (3888 bytes)
14: ...his was a divine precaution to forestall the heavenly continuation of the feud.
25: ...net)|Mars]] (since its discovery [[Pluto_(planet)|Pluto]] has been considered Scorpio's ruling or co-ruli... - Gemini (3325 bytes)
6: ...hwesterly. The other stars are relatively dim - only one, Alhena (γ) is ever seen from a large ...
8: The planet [[Pluto (planet)|Pluto]] was discovered in this constellation in [[1930]...
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