... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... IAU Publications . ... Publications of the ASP (PASP) . ... The Universe in the Classroom . ... Searching for Supernovae To Be . ... Astronomers have pinned their conclusion of an accelerating universe on observations of Type Ia supernovae. ... Einstein had firmly believed that the universe was static and had even added a fudge factor, dubbed the cosmological constant, to make his equations yield a static universe. ...

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Astronomy - Does Pluto have rings? - http://www.astronomy.com/asy/default.aspx?c=a&id=4173 Search LOGIN | ... The magazine | Intro to astronomy | ... Learn more A fter our team discovered Pluto's small moons, we realized impacts on them might generate ejecta that gets into orbit around Pluto, creating rings around the planet. ... In contrast, P1 and P2 have escape speeds about 10 times smaller, allowing much of the ejecta produced in impact events on their surfaces to get into orbit around Pluto. ...

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... November 15, 1996 . Searching For Solar Systems . Credit: Ball Aerospace, The Kepler Mission , NASA/Ames Research Center . ... Are there nearby solar systems with Earth-sized planets as well? ... The goal of this mission would be to discover Earth-sized planets in the habitable zone of solar-type stars , taking a step toward answering the profound question - Does life exist on other worlds beyond our Solar System? ... Search | ... About APOD . ... NASA Technical Rep.: ...

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