1/2: #Astronomy: Measuring stars. Ken Croswell. Proceedings of the National Academy of Sciences: LA.
Mar 22, 2022, 11:58 PM
Photo: Diagram showing how a smaller object (such as an extrasolar planet) orbiting a larger object (such as a star) could produce changes in position and velocity of the latter as they orbit their common center of mass (red cross).
Moving images: https://en.wikipedia.org/wiki/Astrometry#/media/File:Orbit3.gif
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
Moving images: https://en.wikipedia.org/wiki/Astrometry#/media/File:Orbit3.gif
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
1/2: #Astronomy: Measuring stars. Ken Croswell. Proceedings of the National Academy of Sciences
Ken Croswell, Scientific American; astronomer and author: The Alchemy of the Heavens, Planet Quest, Magnificent Universe, See the Stars, The Universe at Midnight, and Magnificent Mars.Photo:
1/2: #Astronomy: Measuring stars. Ken Croswell. Proceedings of the National Academy of Sciences: LA.
Ken Croswell, Scientific American; astronomer and author: The Alchemy of the Heavens, Planet Quest, Magnificent Universe, See the Stars, The Universe at Midnight, and Magnificent Mars.