Astronomy

  1. Astronomy

    Cloudy puzzle on Uranus

    Astronomers can’t explain the seemingly ephemeral nature of bright clouds seen on the northernmost sunlit edge of Uranus.

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  2. Astronomy

    Peering at black holes: An eventful look

    Two new studies provide supporting evidence for event horizons, the one-way membranes that surround black holes.

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  3. Astronomy

    Eerie Sounds of Space

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  4. Astronomy

    A Jovian moon lost and found

    After 25 years, astronomers have relocated a tiny satellite of Jupiter.

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  5. Astronomy

    A trio of new planets

    With the discovery of three additional planets that lie outside the solar system, astronomers have now found evidence of more than 50 extrasolar planets.

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  6. Astronomy

    Astronomers find two planetary systems

    Each of the newly discovered systems features a star roughly similar to the sun and a bizarre entourage of planets and possibly a failed star that may provide fresh insight into planet formation.

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  7. Astronomy

    X rays unveil secret lives of black holes

    New studies challenge the notion that supermassive black holes finished growing soon after their host galaxies formed and suggest new ways to find these black holes and measure their mass.

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  8. Astronomy

    Supernova 1987A: Astronomers’ Luck

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  9. Astronomy

    Odd-Ball Quasars May Be Closer than They Seem

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