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Hace 23 horas · The visible shells of circumstellar material were ejected by the central star over thousands of years. One of the richest sources for detecting interstellar molecules is Sagittarius B2 (Sgr B2), a giant molecular cloud near the centre of the Milky Way. About half of the molecules listed below were first found in Sgr B2, and many of the others ...
Hace 23 horas · In occasione della cerimonia di premiazione, a Napoli, dei Nastri d’Argento Grandi Serie, abbiamo incontrato Giacomo Giorgio alias Ciro Ricci di Mare Fuori, che ha ricevuto il Premio Guglielmo ...
Hace 23 horas · According to Isaac Asimov, "Science fiction can be defined as that branch of literature which deals with the reaction of human beings to changes in science and technology." Robert A. Heinlein wrote that "A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present ...
