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Some 290 million years ago, a star much like the sun wandered too close to the central black hole of its galaxy. Intense tides tore the star apart, which produced an eruption of optical, ultraviolet and X-ray light that first reached Earth in 2014.
Mar 21st, 2017
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Scientists have developed a model that suggests that debris that was pushed into space from an asteroid or other body slamming into Mars around 4.3 billion years ago and alternates between becoming a planetary ring and clumping up to form a moon.
Mar 21st, 2017
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On April 5-14 2017, the team behind the Event Horizon Telescope hopes to test the fundamental theories of black-hole physics by attempting to take the first ever image of a black hole's event horizon (the point at which theory predicts nothing can escape).
Mar 20th, 2017
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Milky Way systems in the early universe consist mainly of gas and stars.
Mar 16th, 2017
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Using asteroseismology, an international research team discovered a surprising alignment of the rotation axes of stars in open clusters, shedding light on the conditions in which stars are formed in our galaxy.
Mar 16th, 2017
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New observations from NASA's Van Allen Probes mission show that the fastest, most energetic electrons in the inner radiation belt are not present as much of the time as previously thought.
Mar 15th, 2017
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Data suggest black holes swallow stellar debris in bursts.
Mar 15th, 2017
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Astronomers have found evidence of a star that whips around a likely black hole twice an hour. This could be the tightest orbital dance ever seen by a black hole and a companion star in our own Milky Way galaxy.
Mar 13th, 2017
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A beautiful Hubble image reveals a young super star cluster known as Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, yet home to one of the largest stars ever discovered.
Mar 10th, 2017
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Using the world's smallest astronomical satellites, researchers detect the biggest stellar heartbeat ever.
Mar 8th, 2017
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Researchers are using human stem cells to measure the effects of deep space radiation.
Mar 8th, 2017
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Astronomers have performed an extensive study of the properties of galaxies within filaments formed at different times during the age of the universe.
Mar 6th, 2017
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Astronomers report that hydrogen pouring from volcanic sources on planets throughout the universe could improve the chances of locating life in the cosmos.
Mar 3rd, 2017
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Scientists recently took a step toward answering a question for the ages: Is there life on Mars? Answer: they can't rule it out.
Mar 2nd, 2017
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Temperate earth-sized worlds found in extraordinarily rich planetary system.
Feb 22nd, 2017
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Astronomers found the most precise way ever to measure the rate at which stars form in galaxies using their radio emission at 1-10 Gigahertz frequency range.
Feb 21st, 2017
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Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees looking at how the stars formed and how they are connected to each other.
Feb 20th, 2017
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Imagine being able to view microscopic aspects of a classical nova, a massive stellar explosion on the surface of a white dwarf star (about as big as Earth), in a laboratory rather than from afar via a telescope.
Feb 20th, 2017
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