Do you want to access to this and other private contents?
Log in if you are a subscriber or click here to request service
Curiosities: weigh a star? Just use a planet and its Moon
Washington, USA - The measures come from a young American scientist
How do astronomers weigh a star that's trillions of miles away? In most cases they can't, although they can get a best estimate using computer models of stellar structure. New work by astrophysicist David Kipping says that in special cases, we can weigh a star directly. If the star has a planet, and that planet has a moon, and both of them cross in front of their star, then we can measure their...
AVIONEWS - World Aeronautical Press Agency - 1122001
AVIONEWS - World Aeronautical Press Agency
AVIONEWS - World Aeronautical Press Agency