EarthSky (en inglés)

EarthSky Updates on your cosmos and world

  • Watch drone video of Falcon 9 landing
    por Eleanor Imster el día 21 febrero 2017 a las 15:08

    You've probably seen footage of rockets taking off, but here's Falcon 9 returning to Earth and landing safely after its launch on Sunday. […]

  • Brightest, farthest pulsar found!
    por Deborah Byrd el día 21 febrero 2017 a las 11:43

    In one second, this distant pulsar – the spinning remains of a once-massive star – emits the same amount of energy as that released by our sun in 3.5 years. […]

  • Chicago from St. Joseph, Michigan
    por Deborah Byrd el día 21 febrero 2017 a las 10:00

    The little building in the center of the sunset is in Chicago, as seen from across Lake Michigan, 60 miles away. […]

  • Find blue-white Rigel at Orion’s foot
    por EarthSky el día 21 febrero 2017 a las 08:01

    If Rigel were as close as our sun, it would outshine the sun by 40,000 times! […]

  • How did horses evolve?
    por Tom Edathikunnel el día 20 febrero 2017 a las 20:29

    A new 'tree of life,' showing how horses have evolved over the past 18 million years challenges long-held ideas. […]

  • Help astronomers look for Planet 9
    por Eleanor Imster el día 20 febrero 2017 a las 16:56

    There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists! […]

  • Today in science: John Glenn
    por EarthSky el día 20 febrero 2017 a las 11:30

    On February 20, 1962, John Glenn became the 1st American to orbit Earth and the first American space hero. […]

  • Venus green flash
    por Deborah Byrd el día 20 febrero 2017 a las 10:00

    To see a green flash of Venus, you need a very clear day with no haze or cloud low in the sky, a distant horizon (preferably a sea horizon) and a telescope! Photo by Colin Legg. […]

  • Somber Betelgeuse in Orion’s shoulder
    por EarthSky el día 20 febrero 2017 a las 08:01

    Betelgeuse's red color indicates a star well into the autumn of its years. In fact, the star is a magnificently rare red supergiant. […]

  • Do animals dream?
    por EarthSky el día 19 febrero 2017 a las 11:55

    Your dog or cat might look as if it's dreaming when its whiskers twitch and legs wiggle. But are animals really dreaming? […]



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