Fuente: University of Helsinki News
Expuesto el: martes, 22 de mayo de 2012 9:54
Autor: University of Helsinki News
Asunto: Astronomers discovered ancient Egyptian observations of a variable star
| The study of the “Demon star”, Algol, made by a research group of the University of Helsinki, Finland, has received both scientific and public attention. The period of the brightness variation of this eclipsing binary star has been connected to good prognoses three millennia ago. |
