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1 Galilean, Keplerian, Newtonian and Conde are types of what instrument?
2 Founded 1950, whose flag is a white compass rose/star in a circle on blue background?
3 What ancient rulers wore a double-crown symbolizing their joined upper and lower lands?
4 What type of lens bends parallel rays inwards: convex or concave?
5 Mumps can spread, rarely, where in adult males, with permanent procreational effect?
6 The arbalest/arblast is a medieval more powerful developed version of which weapon?
7 What mineral caused the founding of S Africa’s Johannesburg in 1886?
8 In the greeenhouse effect ultraviolet light is reradiated and absorbed as what invisible energy?
9 What obscure metal element (Hf) is named from Latin for Copenhagen, where it was discovered?
10 The Cyclades are an eastern island group of which nation?
11 Which band headlined the opening/rebranding of the London Dome/O2, June 2007?
12 What the note is at the 12th fret of the 1st and 6th strings of a standard-tuned 6-string guitar?
13 What part of Manhattan is named after a Dutch city famous for its bulb trade?
14 What chemical element (Cu) is named after Cyprus?
15 Insurgents of what nation took part in the Easter Rising of 1916?
16 What Greek mythological horse sprang from the blood of Medusa?
17 What was disestablished as the state religion of Japan after WWII?
18 A red giant star typically evolves when its central hydrogen has converted to what gas?
19 The French railway (train of great speed) abbreviation TGV mean what in French?
20 Refraction concerns a changed direction of sound, radiation, a river or a missile?