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Scientists Estimate the Magnetic Moment of Exoplanet HD 209458b

November 21, 2014

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Scientists Estimate the Magnetic Field of an Exoplanet

A team of scientists has developed a new method that allows them to estimate the magnetic field of a distant exoplanets. Using this method they managed to estimate the value of the magnetic moment of the planet HD 209458b. In the two decades which passed since the discovery of the first planet outside the Solar […]

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Scientists Use Meteorite to Measure Ancient Solar Nebula Magnetic Fields

November 21, 2014

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Solar Nebula Magnetic Fields Recorded in the Semarkona Meteorite

Scientists from the Harvard-Smithsonian Center for Astrophysics have succeeded in determining ancient solar nebula magnetic field strength by measuring the field recorded in chondrules from the Semarkona meteorite. Astronomical observations of young protostars indicate that early planetary systems evolved from the dust in a protoplanetary disk very quickly – in under five million years. Such […]

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New Chandra Images Detail Supernova Remnants

November 20, 2014

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Chandra Image of Supernova Remnant MSH 11-62

New observations from NASA’s Chandra X-ray Observatory reveal details of supernova remnant MSH 11-62 and G327.1-1.1. A supernova that signals the death of a massive star sends titanic shock waves rumbling through interstellar space. An ultra-dense neutron star is usually left behind, which is far from dead, as it spews out a blizzard of high-energy […]

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NASA’s Swift Discovers an Unusual Source of Light

November 20, 2014

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High-Resolution Images of Markarian 177 and SDSS1133

Using data from NASA’s Swift satellite and observations from many other facilities, an international team of astronomers has discovered an unusual source of light in a galaxy some 90 million light-years away. The object’s curious properties make it a good match for a supermassive black hole ejected from its home galaxy after merging with another […]

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VLT Reveals Alignment of Quasars Across Billions of Light-Years

November 19, 2014

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Mysterious Alignment of Quasars

Using data from ESO’s Very Large Telescope, astronomers have discovered alignments between supermassive black hole axes separated by billions of light-years. New observations with ESO’s Very Large Telescope (VLT) in Chile have revealed alignments over the largest structures ever discovered in the Universe. A European research team has found that the rotation axes of the […]

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Martian Rock Provides Clues to Wet History

November 19, 2014

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Textures in Rock Provide Evidence about Wet Environmental Conditions on Ancient Mars

This close-up image of a Martian rock has provided scientists with evidence about wet environmental conditions in the ancient past on Mars. This close-up view of a target rock called “Last Chance” was acquired by the microscopic imager on the arm of NASA’s Mars Exploration Rover Opportunity on March 3, 2004, during the 39th Martian […]

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Cassini Views Saturn’s Uppermost Cloud Layers

November 18, 2014

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Cassini Views Saturn's Clouds

This newly released image of Saturn’s uppermost cloud layers was taken with the Cassini spacecraft narrow-angle camera on August 23, 2014. Nature is an artist, and this time she seems to have let her paints swirl together a bit. What the viewer might perceive to be Saturn’s surface is really just the tops of its […]

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New NASA Animation Follows Long, Strange Trip of Asteroid Bennu

November 18, 2014

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Asteroid Bennu

This new six minute animated video (below) details NASA’s OSIRIS-REx mission, Asteroid Bennu, and the formation of our solar system. Born from the rubble of a violent collision, hurled through space for millions of years and dismembered by the gravity of planets, asteroid Bennu had a tough life in a rough neighborhood: the early solar […]

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First Direct Evidence That Intergalactic “Wind” is Stripping Galaxies of Star-Forming Gas

November 17, 2014

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Intergalactic Wind is Stripping Galaxies of Gas

A newly published study provides the first direct evidence that an intergalactic “wind” is stripping galaxies of star-forming gas as they fall into clusters of galaxies, helping explain why galaxies found in clusters are known to have relatively little gas and less star formation when compared to non-cluster or “field” galaxies. Toronto, Ontario – Astronomers […]

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Research Shows Volcanism and Greenhouse Gas Could Have Warmed Mars

November 17, 2014

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Research Shows Warmth and Flowing Water on Early Mars

New research from Brown University and Israel’s Weizmann Institute of Science shows that warmth and water flow on ancient Mars were probably episodic, related to brief periods of volcanic activity that spewed tons of greenhouse-inducing sulfur dioxide gas into the atmosphere. Providence, Rhode Island (Brown University) — Ample evidence of ancient rivers, streams, and lakes […]

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Hubble Views Jets, Bubbles, and Bursts of Light in Taurus

November 17, 2014

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New Hubble Image of Multiple Star System XZ Tauri

This new Hubble Space Telescope image shows multiple star system XZ Tauri, HL Tauri, V1213 Tauri, and Herbig-Haro objects HH 150 and HH 30. The NASA/ESA Hubble Space Telescope has snapped a striking view of a multiple star system called XZ Tauri, its neighbor HL Tauri, and several nearby young stellar objects. XZ Tauri is […]

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A Spiral in a Furnace – Barred Spiral Galaxy NGC 986

November 17, 2014

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New Hubble Image of Barred Spiral Galaxy NGC 986

This newly released Hubble image shows barred spiral galaxy NGC 986, which is located about 56 million light-years away. This new Hubble image is a snapshot of NGC 986 — a barred spiral galaxy discovered in 1828 by James Dunlop. This close-up view of the galaxy was captured by Hubble’s Wide Field and Planetary Camera […]

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New Clues About Hidden the Interior of Uranus Revealed

November 14, 2014

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Clues About Hidden Interior of Uranus Revealed

Using images NASA’s Voyager-2, astronomer Erich Karkoschka has uncovered features in Uranus’ atmosphere that reveal an unexpected, strange rotation pattern and point to the possible existence of an unusual feature inside the planet’s interior. The findings shed light on the interior structures of giant gas planets, not only of Uranus, a planet for which observational […]

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