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2011

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  • Dawn Orbits Giant Asteroid Vesta

    Dawn Orbits Giant Asteroid Vesta

    July 18, 2011

    NASA's Dawn spacecraft has entered orbit around Vesta, making it the first mission to orbit a main-belt asteroid.

  • NASA Spacecraft To Enter Large Asteroid's Orbit On July 15

    NASA Spacecraft To Enter Large Asteroid's Orbit On July 15

    July 14, 2011

    On July 15, NASA's ion-propelled Dawn probe will become the first spacecraft to enter orbit around a main-belt asteroid.

  • Dark Fireworks on the Sun

    Dark Fireworks on the Sun

    July 11, 2011

    NASA has just released new movies of an "inky-dark" solar explosion that continues to puzzle experts more than a month after it happened.

  • Does Asteroid Vesta Have a Moon?

    Does Asteroid Vesta Have a Moon?

    July 6, 2011

    As NASA's ion-powered Dawn spacecraft approaches Vesta for orbital insertion in mid-July, Dawn's camera's will be scanning space around the giant asteroid for signs of an asteroid moon.

  • What's to Blame for Wild Weather? "La Nada"

    What's to Blame for Wild Weather? "La Nada"

    June 24, 2011

    Don't blame La Nina or El Nino for the USA's recent wild weather. According to one NASA climatologist, the real culprit is "La Nada."

  • Getting Ready for the Next Big Solar Storm

    Getting Ready for the Next Big Solar Storm

    June 22, 2011

    Policymakers are meeting in Washington DC this week to discuss the growing threat solar storms pose to our increasingly technological civilization.

  • A Big Surprise from the Edge of the Solar System

    A Big Surprise from the Edge of the Solar System

    June 9, 2011

    NASA's Voyager probes have reached the edge of the solar system and found something surprising there--a froth of magnetic bubbles separating us from the rest of the galaxy.

  • Aquarius to Study the Power of Sea Salt

    Aquarius to Study the Power of Sea Salt

    June 7, 2011

    A new observatory is about to leave Earth to map a powerful compound of global importance: Common everyday sea salt.

  • A Salute to Spirit

    A Salute to Spirit

    June 3, 2011

    It's been more than a year since NASA has heard from Mars rover Spirit. The agency says it may be time to say "thanks and farewell."

  • A Rare Eclipse of the Midnight Sun

    A Rare Eclipse of the Midnight Sun

    May 31, 2011

    A solar eclipse in the middle of the night? Yes, it can happen. Sky watchers in the Arctic will witness such an event on June 1st when the Moon partially eclipses the midnight sun.