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19 ore fa · Since 1995, astronomers have tracked the motions of 90 stars orbiting an invisible object coincident with the radio source Sagittarius A*. By fitting their motions to Keplerian orbits , the astronomers were able to infer, in 1998, that a 2.6 × 10 6 M ☉ object must be contained in a volume with a radius of 0.02 light-years to cause the motions of those stars.
19 ore fa · LatteMiele radio partner dell’evento “Una Notte Con Le Stelle” che illuminerà il cielo di Malta con i suoi incredibili protagonisti. LatteMiele è orgogliosa di essere radio partner di “ Una notte con le stelle”: la prima edizione del concerto-evento, in programma il 28 settembre2024 a Malta, che sposa pienamente l’anima, la ...
19 ore fa · The Colosseum in Rome, one of the most popular tourist attractions in the world The city of Venice, ranked many times as the most beautiful city in the world The Santa Maria del Fiore cathedral in Florence by Filippo Brunelleschi, which has the largest brick dome in the world, and is considered a masterpiece of world architecture The Sassi di Matera have been described by Fodor's as "one of ...
