irregular outline
21Mare Marginis — Coordinates …
22Robertson (crater) — lunar crater data latitude=21.8 N or S=N longitude=105.2 E or W=W diameter=88 km depth= Unknown colong=106 eponym=Howard P. RobertsonRobertson is a prominent lunar impact crater that is located on the far side of the Moon, just beyond the western …
23Tetradymite — is a mineral consisting of bismuth, tellurium and sulfide, Bi2Te2S, also known as telluric bismuth. If sulfur is absent the mineral is tellurobismuthite and the formula is then Bi2Te3. Traces of selenium are usually present.Crystals are… …
24Bevaix Boat — The Bevaix boat is a first century Gallo Roman wreck from the Bay of Bevaix, Lake Neuchatel, Switzerland. The remains of the ship, and a modern reconstitution, are on display at the Laténium.The boatThe Bevaix boat was built from large oak planks …
25Lo-Type — (sometimes Lo type, or Lo Type; originally Lo Schrift) is a display typeface originally designed by Louis Oppenheim. Oppenheim named the font using his own initials which he also used to sign his work. Oppenheim designed the avant garde Lo Type… …
26George W. Smith House — Infobox nrhp name = George W. Smith House nrhp type = cp caption = location = Oak Park, Cook County, Illinois, USA nearest city = lat degrees = 41 lat minutes = 52 lat seconds = 52 lat direction = N long degrees = 87 long minutes = 47 long… …
27Citrus variegation virus — (CVV), a member of subgroup 2 of Ilarviruses in the family Bromoviridae, is the causal agent of infectious variegation, a disease occurring all over the world, causing problems for production especially in some susceptible varieties of lemon and… …
28caldera — /kal der euh, kawl /, n. a large, basinlike depression resulting from the explosion or collapse of the center of a volcano. [1860 65; < Sp Caldera, name of a crater on Canary Islands, lit., cauldron < LL caldaria, n. use of fem. of caldarius of… …
29MATHEMATICS — Many of the practices and concepts of mathematics were first developed in Mesopotamia, where professional numeracy predated literacy. In the Chalcolithic period, counters and tokens facilitated the administration before the use of archaic… …
30lentigo maligna — lentigo ma·lig·na mə lig nə n a precancerous lesion on the skin esp. in areas exposed to the sun (as the face) that is flat, mottled, and brownish with an irregular outline and grows slowly over a period of years * * * a type of lentigo that… …
