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    Category Astronomy/Space

    Space Missions locate Whistling Space Electrons’ Origins

    November 16, 2017, Categories  Astronomy/Space

    The Van Allen Belts, shown in green in this illustration, are concentric doughnut-shaped belts filled with charged particles, trapped by Earth's magnetic field. Credit: Tony Phillips/NASA

    The Van Allen Belts, shown in green in this illustration, are concentric doughnut-shaped belts filled with charged particles, trapped by Earth’s magnetic field. Credit: Tony Phillips/NASA

    Scientists have long known that solar-energized particles trapped around the planet are sometimes scattered into Earth’s upper atmosphere where they can contribute to beautiful auroral displays. Yet for decades, no one has known exactly what is responsible for hurling these energetic electrons on their way. New research using data from NASA’s Van Allen Probes mission and FIREBIRD II CubeSat has shown that a common plasma wave in space is likely responsible for the impulsive loss of high-energy electrons into Earth’s atmosphere...

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    Closest Temperate World Orbiting Quiet Star discovered

    November 16, 2017, Categories  Astronomy/Space

    This artist's impression shows the temperate planet Ross 128 b, with its red dwarf parent star in the background. This planet, which lies only 11 light-years from Earth, was found by a team using ESO's unique planet-hunting HARPS instrument. The new world is now the second-closest temperate planet to be detected after Proxima b. It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life. Ross 128 b will be a prime target for ESO's Extremely Large Telescope, which will be able to search for biomarkers in the planet's atmosphere. Credit: ESO/M. Kornmesser

    This artist’s impression shows the temperate planet Ross 128 b, with its red dwarf parent star in the background. This planet, which lies only 11 light-years from Earth, was found by a team using ESO’s unique planet-hunting HARPS instrument. The new world is now the second-closest temperate planet to be detected after Proxima b. It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life. Ross 128 b will be a prime target for ESO’s Extremely Large Telescope, which will be able to search for biomarkers in the planet’s atmosphere. Credit: ESO/M. Kornmesser

    ESO’s HARPS instrument finds Earth-mass exoplanet around Ross 128...

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    Zwicky Transient Facility sees ‘First light’

    November 15, 2017, Categories  Astronomy/Space

    ZTF took this 'first-light' image on Nov. 1, 2017, after being installed at the 48-inch Samuel Oschin Telescope at Palomar Observatory. The full-resolution version is more than 24,000 pixels by 24,000 pixels. Each ZTF image covers a sky area equal to 247 full moons. The Orion nebula is at lower right. Computers searching these images for transient, or variable, events are trained to automatically recognize and ignore non-astronomical sources, such as the vertical 'blooming' lines seen here. Credit: Caltech Optical Observatories

    ZTF took this ‘first-light’ image on Nov. 1, 2017, after being installed at the 48-inch Samuel Oschin Telescope at Palomar Observatory. The full-resolution version is more than 24,000 pixels by 24,000 pixels. Each ZTF image covers a sky area equal to 247 full moons. The Orion nebula is at lower right. Computers searching these images for transient, or variable, events are trained to automatically recognize and ignore non-astronomical sources, such as the vertical ‘blooming’ lines seen here. Credit: Caltech Optical Observatories

    A new robotic camera with the ability to capture hundreds of thousands of stars and galaxies in a single shot has taken its first image of the sky – an event astronomers refer to as “first light...

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    Anatomy of a Cosmic Snake reveals Structure of Distant Galaxies

    November 15, 2017, Categories  Astronomy/Space

    The Cosmic Snake is the image of a distant galaxy, deflected by a strong gravitational lens. Credit: ESA/Hubble, NASA, A.Cava

    The Cosmic Snake is the image of a distant galaxy, deflected by a strong gravitational lens. Credit: ESA/Hubble, NASA, A.Cava

    Asronomers have studied the image of a distant galaxy, 6 billion light-years away from us, warped and stretched by strong gravitational lensing into the shape of a cosmic snake. We have a fair understanding of the fundamental mechanisms that regulate star formation in galaxies, from the interstellar matter to the diffuse clouds distributed in space, whose gravitational contraction leads to the birth of stars within large stellar clusters. But observations of distant galaxies have questioned this picture, the size and mass of these distant stellar nurseries largely exceeding that of their local counterparts...

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