Friday 1 July 2016

Jupiter on a bench: Spacecraft Juno nears planet orbit

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Earlier this year, in an experiment about five-feet long, researchers say they observed evidence of the abrupt transition of hydrogen from liquid insulator to liquid metal. It is one of the first times such a transition has ever been observed in any experiment.
via Science Daily
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In the blink of a cosmic eye: Chance microlensing events probe galactic cores

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Some galaxies pump out vast amounts of energy from a very small volume of space, typically not much bigger than our own solar system. The cores of these galaxies, so called Active Galactic Nuclei or AGNs, are often hundreds of millions or even billions of light years away, so are difficult to study in any detail. Natural gravitational 'microlenses' can provide a way to probe these objects, and now a team of astronomers have seen hints of the extreme AGN brightness changes that hint at their presence.
via Science Daily
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Autolens analysis steps up for Euclid’s 100,000 strong gravitational lens challenge

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Euclid satellite, due for launch in 2020, will set astronomers a huge challenge: to analyze one hundred thousand strong gravitational lenses. The gravitational deflection of light from distant astronomical sources by massive galaxies (strong lenses) along the light path can create multiple images of the source that are not just visually stunning, but are also valuable tools for probing our Universe. 
via Science Daily
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NASA’s Juno and JEDI: Ready to unlock mysteries of Jupiter

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The JEDI is one of several instruments aboard NASA's Juno spacecraft -- set to enter Jupiter orbit on July 4 -- that will help scientists answer fundamental questions about the solar system's largest planet, Earth and the universe.
via Science Daily
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Teenagers on a work experience 'discover' new planet

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A group of teenagers on work experience at Keele University in Staffordshire, UK, may have discovered a new planet.
via Science Daily
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All Eyes (and Ears) on Jupiter

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NASA released a recording of the Juno spacecraft crossing into Jupiter’s magnetosphere. And telescopes are zooming in to add context to Juno’s data.
via New York Times

Simon Ramo Dies at 103; Helped Develop ICBMs in the Cold War

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Dr. Ramo advised presidents on science and technology, and was a postwar force in the aerospace and electronics industries.
via New York Times

LHCb unveils new tetraquark particles

Juno Approaching Jupiter

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Approaching over the north pole after nearly a five-year journey, Juno enjoys a perspective on Jupiter not often seen, even by spacecraft from Earth that usually swing by closer to Jupiter's equator. Looking down toward the ruling gas giant from a distance of 10.9 million kilometers, the spacecraft's JunoCam captured this image with Jupiter's nightside and orbiting entourage of four large Galilean moons on June 21. JunoCam is intended to provide close-up views of the gas giant's cloudy zoned and belted atmosphere and on July 4 (July 5 UT) Juno is set to burn its main engine to slow down and be captured into its own orbit. If all goes well, it will be the first spacecraft to orbit the poles of Jupiter, skimming to within 5,000 kilometers of the Jovian cloud tops during the 20 month mission.
Tomorrow's picture: light-weekend
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