AFTER the successful measurement of Capella as a double star by Prof. A. Michelson's interferometer method applied to the 100-in. reflector at Mount Wilson, it was known that he intended to attempt ...

IN an earlier paper1, we have described a new type of interferometer which has been used to measure the angular diameter of radio stars2. In this instrument the signals from two aerials Ax and A2 (Fig ...

Astronomers from Georgia State University’s Center for High Angular Resolution Astronomy (CHARA) and the Michelson Science Center at the California Institute of Technology have directly measured the ...