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The brightest star of the summer constellation Aquila, the eagle. It is a main-sequence star, shining pure white, and is about 17 light-years from Earth. It forms one point of the Summer Triangle. Its name means “the flying eagle.”


Aquila, the Eagle

Aquila, the Eagle May 25, 2010

Radio Programs

Altair Spinning up a big, young star June 18, 2022

Speedy Altair A close neighbor that moves fast August 27, 2020

Altair A star that’s in the prime of life August 26, 2020

Altair Painting a portrait of a star October 12, 2019