U.S. space agency NASA received the final signal from its Cassini spacecraft, which ended a groundbreaking 13-year Saturn mission on Friday with a meteor-like plunge into the planet’s atmosphere, transmitting data until the final moment. Cassini, the first spacecraft to orbit Saturn, ended its mission at 7:55 a.m. EDT (1155 GMT), shortly after it lost contact with … [Read more...]
The ‘rebirth’ of a star: a phenomenon observed by astronomers in the sky, for the first time
An international astronomers team observed for the first time the warming and the cooling steps during the 'rebirth' of a star - SAO 244567, a star situated at about 2.700 light years from the Terra. The researchers will have to do additional calculations to explain the behavior of the star. Normally, the 'rebirth' process of a star produces in a way too long period to be … [Read more...]
The sudden disappearance of a very far star may confirm the theories about the creation of the black hole
The astrophysicists have no certitude about the way in which the black holes take form. The sudden disappearance of a gigantic red star, that was studied by astronomers through the orbital telescope Hubble and it was at a distance of about 20 million light years, can represent the first birth of a black hole 'witnessed' by humanity, according to newscientist.com. Using the data … [Read more...]