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A0, A-0, A0, or a0 may refer to. [1]

19 relations: A (musical note), A-0 Geyser, A-0 System, AO, Bohr radius, Grade (climbing), Haplogroup A (Y-DNA), Hecke character, Heinkel He 177, Heinkel Tourist, Henschel Hs 126, Irregular chess opening, ISO 216, Junkers Ju 87, L'Avion, Messerschmitt Me 210, Siebel Si 204, Transport in Zimbabwe, Walter HWK 109-509.

A (musical note)

La or A is the sixth note of the fixed-Do solfège.

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A-0 Geyser

A-0 Geyser is a geyser in the Lower Geyser Basin of Yellowstone National Park in the United States.

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A-0 System

The A-0 system (Arithmetic Language version 0), written by Grace Hopper in 1951 and 1952 for the UNIVAC I, was the first compiler ever developed for an electronic computer.

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AO, aO, Ao, or ao may refer to.

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Bohr radius

The Bohr radius (a0) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state.

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Grade (climbing)

In rock climbing, mountaineering and other climbing disciplines, climbers give a grade to a climbing route that concisely describes the difficulty and danger of climbing the route.

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Haplogroup A (Y-DNA)

In human genetics, Haplogroup A is the a Human Y-chromosome DNA haplogroup.

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Hecke character

In number theory, a Hecke character is a generalisation of a Dirichlet character, introduced by Erich Hecke to construct a class of ''L''-functions larger than Dirichlet ''L''-functions, and a natural setting for the Dedekind zeta-functions and certain others which have functional equations analogous to that of the Riemann zeta-function.

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Heinkel He 177

The Heinkel He 177 Greif ("griffin") was the only operational long-range bomber to be flown in combat by the Luftwaffe during World War II.

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Heinkel Tourist

The Heinkel Tourist is a motor scooter made by Heinkel Flugzeugwerke from 1953 to 1965.

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Henschel Hs 126

The Henschel Hs 126 was a German two-seat reconnaissance and observation aircraft of World War II that was derived from the Henschel Hs 122.

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Irregular chess opening

Irregular openings are chess openings with an unusual or rare first move by White.

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ISO 216

ISO 216 specifies international standard (ISO) paper sizes used in most countries in the world today.

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Junkers Ju 87

The Junkers Ju 87 or Stuka (from Sturzkampfflugzeug, "dive bomber") was a two-man (pilot and rear gunner) German dive bomber and ground-attack aircraft.

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Elysair SAS, operating as L'Avion (French for "The plane"), was an airline headquartered in Paray Vieille Poste, France, near Wissous.

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Messerschmitt Me 210

The Messerschmitt Me 210 was a German heavy fighter and ground-attack aircraft of World War II.

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Siebel Si 204

The Siebel Si 204 was a small twin-engined transport and trainer aircraft developed during World War II.

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Transport in Zimbabwe

The government of Zimbabwe is the main provider of air, rail and road services; historically, there has been little participation of private investors in transport infrastructure.

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Walter HWK 109-509

The HWK 109-509 was a German liquid-fuel bipropellant rocket engine that powered the Messerschmitt Me 163 and Bachem Ba 349 aircraft.

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Redirects here:

A 0, A-0, A.0, A0 (disambiguation), A0 highway, A0 road, A0 roads, A00.


[1] https://en.wikipedia.org/wiki/A0

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