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- South Dakota (14035 bytes)
6: Seal = SouthDakotastateseal.jpg |
11: LargestCity = [[Sioux Falls, South Dakota|Sioux Fall...
25: ...]: [[UTC]]-7/[[Daylight saving time|-6]] <small>(western)</small> |
30: HighestElev = 2,207 |
32: LowestElev = 294 | - Astronomy (13970 bytes)
1: ... the atmosphere), as well as the connected processes and phenomena.
3: ...de]] of Earth's Moon, its diameter is about 58 miles (93 km).]]
5: ... with [[astrology]], which assumes that people's destiny and human affairs in general are correlated t...
8: ...hysical nature of celestial objects—what makes them "tick".
10: ...ional implications of different models, and involves working with computer or analytic models. - Sun (20830 bytes)
11: ...×10<sup>6</sup> [[mile|mi]]) <br>(8.31 minutes at the [[Speed of Light]])
13: ...align="left" | [[Apparent magnitude|Visual brightness]] (''V'')
22: | 2.5×10<sup>17</sup> km <br>(26,000 [[light-year]]s)
25: | 2.26×10<sup>8</sup> [[Julian year|a]]
33: | [[1 E9 m|1.392]]×10<sup>6</sup> km<br>(109 [[Earth]]s) - History of science (41710 bytes)
2: ...c method]]. The '''history of science''' traces these [[phenomenon|phenomena]] and their pre-cursors b...
4: ...considered to be so fundamental that older inquiries are known as ''pre-scientific''. Still, many plac...
6: ...ledge, notably [[ethics]]. In practice, each of these fields is heavily used by the others as an exter...
8: ==Theories and sociology of the history of science==
9: {{seemain|Theories and sociology of the history of science}} - Cadmium (10755 bytes)
19: | [[Chemical series]]
25: | [[Density]], [[Mohs hardness scale|Hardness]]
31: ...gn="center" bgcolor="#ffc0c0" | '''Atomic properties'''
57: ...="center" bgcolor="#ffc0c0" | '''Physical properties'''
69: | 13.00 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Electron (10516 bytes)
25: !align="center" bgcolor=gray|Properties
54: ...e ending ''-on'', shared by most subatomic particles, was used in analogy to the word ''[[ion]]''.
56: ...ts with other atoms, they confer chemical properties to elements and therefore play a fundamental part...
62: ...ptons which are believed to be fundamental particles (that is, they cannot be broken down into smaller...
64: ===Properties and behavior of electrons=== - Neutron (7687 bytes)
15: <tr><th align="center" bgcolor=gray>Properties</th></tr>
32: ...articles inside the nucleus are typically resonances between neutrons and protons, which transform int...
34: ...es it impossible to observe them directly, and makes them very important as agents in nuclear change.
36: ...ree neutron goes on its way unchecked until it makes a "head-on" collision with an atomic nucleus. Sin...
38: ...ly slowed. Secondary projectiles resulting from these collisions may be detected, for they are charged... - Physics (25628 bytes)
2: ... of contexts, ranging from the sub-nuclear particles from which all ordinary matter is made ([[particl...
4: ...f the underlying molecules, which are accurately described by areas of physics such as [[quantum mecha...
6: ...ping the mathematical structure of physical theories.
8: == Overview of physics research ==
12: ...physicists have been successful in both forms of research <sup id="fn_1_back">[[#fn_1|1]]</sup>. - Star (12279 bytes)
1: ...b|right|350px|The [[Pleiades (star cluster)|Pleiades]] star cluster]]
3: ...e the [[Sun]]. Unlike a [[planet]], a star generates energy through [[nuclear fusion]] and therefore e...
5: ...at the orbit speed of the [[Space Shuttle]] (5 miles per second -- almost 30,000 kilometers per hour),...
7: ...00 000 000 000 000 000 000, or 230 [[billion]] times as much as the 300 billion in our own [[Milky Way...
9: ...e Sun —about 1.6 [[terametre]]s. However, these have a much lower density than the Sun.
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