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- Flag of Texas (2443 bytes)
4: ...e point faces upward, and of such a size that the diameter of a circle passing through the five points of th...
14: ...atus with the flag of the United States. This is only an urban legend; the Texas flag law requires tha...
23: *[http://www.tsha.utexas.edu/handbook/online/articles/view/FF/msf1.html Flags of Texas] - Great Pyramid of Giza (20454 bytes)
17: ... the four sides of the base have a mean error of only [[1 E-2 m|15 mm]] in length, and 12 [[arcsecond|...
22: ...aking it the largest pyramid in Egypt, surpassed only by the [[Great Pyramid of Cholula]] in [[Mexico]...
24: ... limestone could be seen miles away even under moonlight.
28: ...kind of granite known as "Red Aswan Granite" and only found some 250 miles South of Cairo.
34: ... and built is not known, although they were certainly not 'air' or 'ventilation' shafts. It is possibl... - Desert (21206 bytes)
20: ... remains frozen as snow pack; these are more commonly referred to as [[tundra]] if a short season of a...
28: ... dry winds dissipate cloud cover, allowing more sunlight to heat the land. Most of the major deserts o...
50: ...nd north of the [[Himalaya]], in parts of the [[Kunlun Mountains]] and the [[Tibetan Plateau]]. Many l...
53: ...ed textures on the ground, as much as 5 meters in diameter.
59: ...es. Although its surface atmospheric pressure is only about one-hundredth that of Earth, global circul... - St. Peter's Basilica (17805 bytes)
22: ...the double dome is brick, 42.3 metres in interior diameter (almost as large as the [[Pantheon, Rome|Pantheon...
31: ...cedil;ade and the interior is the [[portico]]. Mainly designed by Maderno, it contains an [[18th centu...
33: ...ico Consorti]] ([[1950]]), which is by tradition only opened for great celebrations such as [[Jubilee ...
89: ...ment''', which is open during religious services only. Inside it is a tabernacle on the altar resembli... - Astronomy (13970 bytes)
3: ...[[Far side (Moon)|far side]] of Earth's Moon, its diameter is about 58 miles (93 km).]]
10: ...ronomy". Theoretical astrophysics is concerned mainly with figuring out the observational implications...
27: ...tragalactic astronomy]]: the study of objects (mainly galaxies) outside our galaxy.
49: In astronomy, [[information]] is mainly received from the detection and analysis of [[el...
71: In early times, astronomy involved only the observation and predictions of the motions o... - Solar system (21174 bytes)
23: ...rtificial [[satellite]]s orbiting the planets, mainly Earth, as well as probes heading into [[deep spa...
26: ...comets in general, or to asteroids below 10 km in diameter.
45: ...the only planetary system known, and so theories only had to explain one system to be plausible. The ...
49: ...ilky Way]] [[galaxy]], a [[spiral galaxy]] with a diameter of about [[1 E20 m|100,000]] [[light year]]s cont...
65: Pluto remains the only planet not having been visited by a man-made spa... - Sun (20830 bytes)
32: ! align="left" | Diameter
135: [[Image:SunLayers.png|thumb|left|220px|Structure of the Sun]]
136: ...ated at about 9 millionths, which means the polar diameter differs from the equatorial by 10 km at most. Thi...
147: The core is the only part of the Sun where an appreciable amount of h...
162: ...space and its energy escapes the Sun entirely. Sunlight has a [[black-body]] spectrum that is charact... - Asteroid (24334 bytes)
8: ...inition is that asteroids are larger than 50 m in diameter, distinguishing them from [[meteoroid]]s, which a...
16: ...; both have diameters of ~500 km. 4 Vesta is the only main belt asteroid that is sometimes visible to ...
21: ...details of the [[visible spectrum|spectrum]] of sunlight they reflect.
30: ...'s surface material. Originally, they classified only three types of asteroids:
64: ...overed up to that point. Still, a century later, only a few thousand asteroids were identified, number... - Planet (8450 bytes)
36: *The [[Moon]], as measured by its diameter, is 1.5 times larger than Pluto. - 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 ...
16: ...Caloris Basin]], an [[impact crater]] ~1350 km in diameter. The planet is marked with [[scarp]]s, which appa...
28: ...ls 42% of the planetary [[volume]] (Earth's core only fills 17%). Surrounding the core is a 600 km [[m... - Trajans Column (10003 bytes)
3: ...marble drums, each weighing about 40 tons, with a diameter of 3.7 meters (11 ft). The 190 meter (625 ft) fri...
52: ...man [[treadwheel]] crane, which, moreover, could only reach a maximum height of 15 to 18 m, was clearl...
54: ...pace so that the capstan crews had proper access only from one side. - Tree (23723 bytes)
11: ...rous]] Period; tree ferns still survive, but the only surviving horsetails are not of tree form. Later...
16: ...wig]]s and [[leaf|leaves]]. Tree stems consist mainly of support and transport tissues ([[xylem]] and ...
18: ... immediately under the bark. Endogenous trees, mainly in the [[monocotyledon]]s (e.g. [[palm tree|palm...
20: ...th ring]]s. In temperate climates, these are commonly visible due to changes in the rate of growth wit...
22: ...he branches optimizes exposure of the leaves to sunlight. - Conifer cones (8328 bytes)
6: ...ucturally similar across all conifers, differing only in small ways (mostly in scale arrangement) from...
19: ...al or nearly so, and large to very large, 5-30 cm diameter, and mature in 18 months; at maturity, they disin...
22: ... coloured, soft, edible fleshy [[aril]]. Usually only one or two scales at the apex of the cone are fe...
30: The cones and seeds of ''[[Sciadopitys]]'' (the only member of the family) are similar to those of so...
34: ...t highly modified cones of any conifer. There is only one scale in the female cone, with a single ovul... - Pioneer 11 (5118 bytes)
5: ...973]]. It is 2.9 meters long and has a 2.74-meter-diameter high-gain [[antenna (electronics)|antenna]], topp...
7: ...]]s with overlapping fields of view to detect [[sunlight]] reflected from passing [[meteoroid]]s, seal... - Isaac Newton (23339 bytes)
4: ...[orbit]]s (such as those of [[comet]]s) were not only [[ellipse|elliptic]], but could also be [[hyperb...
36: ... primarily to the wider diameter of the mirror. (Only later, as glasses with a variety of refractive p...
73: ...om [[1689]] to [[1690]] and in [[1701]], but his only recorded comments were to complain about a cold ...
95: ...rsity. His writings on this topic were published only posthumously.
107: .... Newton was notable in that scene for being the only scientist without a sense of humor. He also took... - Cytoskeleton (4391 bytes)
9: Around 7 nm. in diameter, this filament is composed of two actin chains or...
14: These 8 to 11 nanometers in diameter filaments are the more stable (strongly bound) an...
36: ...eleton was previously considered to be a feature only of [[eukaryote|eukaryotic]] cells, but recent re... - Cell nucleus (3211 bytes)
3: ...gest [[organelle]] (in some cases not), varies in diameter from 10 to 20 [[micrometre]]s. - Myofibril (4430 bytes)
9: ...nd, contains mostly myosin filaments whose larger diameter restricts the passage of light. (Note for the in... - Severe thunderstorm warning (1531 bytes)
3: ...being at least 3/4 inch (20 [[millimeter|mm]]) in diameter, and high winds as being 58 miles per hour (90 [[... - Tropical cyclone (34538 bytes)
34: ...o produce significant damage and loss of life, mainly due to flooding.
66: The following areas spawn tropical cyclones only very rarely.
69: ...ropical development. However, this region is commonly frequented by tropical cyclones that form in the...
110: ...ize from 8 km to 200 km (5 miles to 125 miles) in diameter. In weaker cyclones, the CDO covers the circulati...
123: ...s leading to the formation of this typhoon occur only once every 400 years.
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