Resolvable
61X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …
62Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …
63Double star — For other uses, see Double star (disambiguation). In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because… …
64Exception handling — is a programming language construct or computer hardware mechanism designed to handle the occurrence of exceptions, special conditions that change the normal flow of program execution. Programming languages differ considerably in their support… …
65Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
66Parrot — Taxobox name = Parrots fossil range = fossil range|54|0Early Eocene – Recent image width = 240px image caption = Peach fronted Parakeets Aratinga aurea regnum = Animalia phylum = Chordata classis = Aves infraclassis = Neognathae ordo =… …
67Dynamic DNS — is a method/protocol/network service that provides the capability for a networked device, such as a router or computer system using the Internet Protocol Suite, to notify a Domain Name System (DNS) name server to change, in real time, the active… …
68Accipitridae — Taxobox name = Accipitridae fossil range = Eocene Recent image caption = Ornate Hawk Eagle Spizaetus ornatus regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia = Accipitridae familia authority = Vieillot, 1816… …
69Dumfries — For other uses, see Dumfries (disambiguation). Coordinates: 55°04′12″N 3°36′11″W / 55.070°N 3.603°W / 55.070; 3.603 …
70Duel — For other uses, see Duel (disambiguation). Drawing of a duel fought with foils in the Bois de Boulogne in 1874 …
