ScienceDaily: Astronomy News |
| Rosetta-Alice spectrograph obtains first far ultraviolet spectra of a cometary surface Posted: 04 Sep 2014 12:38 PM PDT NASA's Alice ultraviolet spectrograph aboard the European Space Agency's Rosetta comet orbiter has delivered its first scientific discoveries. Rosetta, in orbit around comet 67P/Churyumov-Gerasimenko, is the first spacecraft to study a comet up close. |
| A new model for a cosmological enigma -- dark matter: Solving long-standing and troublesome puzzles Posted: 04 Sep 2014 09:12 AM PDT Astrophysicists believe that about 80 percent of the substance of our universe is made up of mysterious "dark matter" that can't be perceived by human senses or scientific instruments. |
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