A very bright, variable double star in the constellation Aquila, approximately 15.7 light years from Earth. Altair is one of the stars that make up the Summer Triangle.
The brightest star in the constellation Aquila: magnitude, 0.76
A bright white star in the constellation Aquila. Altair is a main-sequence star in the Hertzprung-Russell diagram. It is the 12th brightest star in the night sky, with an apparent magnitude of 0.77. Altair, along with Vega and Deneb, form the Summer Triangle asterism. Scientific name: Alpha Aquilae.
A microcomputer kit introduced in late 1974 from Micro Instrumentation and Telemetry Systems (MITS). It sold for USD $439 and used an 8080 microprocessor. In 1975, it was packaged with the Microsoft MBASIC interpreter written by Paul Allen and Bill Gates. Although computer kits were advertised earlier by others, an estimated 10,000 Altairs were sold, making it the first commercially successful personal computer. The machine was also available fully assembled for $621. See SCELBI 8H.
Origin of altair
- Arabic (an-nasr) aṭ-ṭā’ir the flying (eagle) al- the ṭā’ir flying active participle of ṭāra to fly ṭyr in Semitic roots
From American Heritage Dictionary of the English Language, 5th Edition