Among them, a fantastic improvement of the sharpness of astronomical images, obtained with ground based optical telescopes, has been the result of two revolutions: adaptive optics and optical interferometry.
,This is the updated, widely revised, restructured and expanded third edition of Léna et al.'s successful work Observational Astrophysics.
This is the unique story of observing a total solar eclipse for no less than 74 consecutive minutes. A must read... Læs mere