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International Panel, Including SLAC Scientists, to Discuss the Search for Dark Matter at AAAS 2016

Researchers from the Department of Energy’s SLAC National Accelerator Laboratory will take part in a discussion of the global hunt for dark matter at this year’s AAAS Annual Meeting, to be held Feb. 11-15 in Washington, D.C.

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Three Ways to Bust Ghostly Dark Matter

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Dark matter hunters around the world pursue three approaches to look for fingerprints of ghostly WIMPs: on the Earth’s surface, underground and in space. Researchers from the Department of Energy’s SLAC National Accelerator Laboratory will take part in a discussion of the global search for dark matter particles at this year’s AAAS Annual Meeting, to be held Feb. 11-15 in Washington, D.C.

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'Cannibalism' Between Stars

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tars are born inside a rotating cloud of interstellar gas and dust, which contracts to stellar densities thanks to its own gravity. Before finding itself on the star, however, most of the cloud lands onto a circumstellar disk forming around the star owing to conservation of angular momentum.

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Turbulent Times: When Stars Approach

HITS astrophysicists use new methods to simulate the common-envelope phase of binary stars, discovering dynamic irregularities that may help to explain how supernovae evolve.

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Galactic Center's Gamma Rays Unlikely to Originate From Dark Matter, Evidence Shows

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Bursts of gamma rays from the center of our galaxy are not likely to be signals of dark matter but rather other astrophysical phenomena such as fast-rotating stars called millisecond pulsars, according to two new studies, one from a team based at Princeton University and the Massachusetts Institute of Technology and another based in the Netherlands.

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UT Astronomy Expert and Kuiper Belt Researcher Joshua Emery Can Discuss What Planet Nine Theory Means for Scientific Community.

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New Galaxy-hunting Sky Camera Sees Redder Better

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A newly upgraded camera that incorporates light sensors developed at Berkeley Lab is now one of the best cameras on the planet for studying outer space at red wavelengths that are too red for the human eye to see.

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South Pole’s Next Generation of Discovery

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Later this year, during what passes for summer in Antarctica, a group of Chicago scientists will arrive at the Amundsen–Scott South Pole research station to install a new and enhanced instrument designed to plumb the earliest history of the cosmos.

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Novel Calibration Tool Will Help Astronomers Look for Habitable Exoplanets

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Promising new calibration tools, called laser frequency combs, could allow astronomers to take a major step in discovering and characterizing earthlike planets around other stars. These devices generate evenly spaced lines of light, much like the teeth on a comb for styling hair or the tick marks on a ruler—hence their nickname of "optical rulers."

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Moon Was Produced by a Head-on Collision Between Earth and a Forming Planet

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UCLA-led research reconstructs massive crash, which took place 4.5 billion years ago.

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Monstrous Cloud Boomerangs Back to Our Galaxy

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New Hubble telescope observations suggest that a high-velocity gas cloud was launched from the outer regions of our own galaxy around 70 million years ago. Now, the cloud is on a return collision course and is expected to plow into the Milky Way's disk in about 30 million years. Astronomers believe it will ignite a spectacular burst of star formation then. Join the scientists in a live discussion about the origin and conclusions of this research during the Hubble Hangout at 3pm EST today on http://hbbl.us/g7C.

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Giant Gas Cloud Boomeranging Back Into Milky Way

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University of Notre Dame astrophysicist Nicolas Lehner and his collaborators have now determined that the Smith Cloud, a giant gas cloud plummeting toward the Milky Way, contains elements similar to our sun, which means the cloud originated in the Milky Way’s outer edges and not in intergalactic space as some have speculated.

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Rebounding Galactic Cloud Discussed in Thursday’s Hubble Hangout; Expert Available for Comment

Thursday (Jan. 28) during a Hubble Hangout, University of Notre Dame astrophysicist Nicolas Lehner will discuss a new study about high velocity clouds around the Milky Way Galaxy that were jettisoned and are falling back in.

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NASA Provides a Look at Post-Blizzard Snowfall and Winds

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NASA satellites obtained a number of different views of the great winter storm that left many snowfall records from Virginia to New York City from January 22 to 24, 2016. RapidScat provided a look at the strong winds that led to flooding in southern New Jersey, while NASA's Aqua satellite and NASA/USGS's Landsat satellite provided images of the post-storm snowy blanket.

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Stellar Parenting: Making New Stars by 'Adopting' Stray Cosmic Gases

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Using observations by the Hubble Space Telescope, an international research team, including astronomers from the Kavli Institute for Astronomy and Astrophysics and Northwestern University, has for the first time found young populations of stars within globular clusters that have apparently developed courtesy of star-forming gas flowing in from outside of the clusters themselves. This method stands in contrast to the conventional idea of the clusters’ initial stars shedding gas as they age in order to spark future rounds of star birth.

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In Galaxy Clustering, Mass May Not Be the Only Thing That Matters

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First Observational Evidence for Assembly Bias Could Impact Understanding of the Universe.

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How to Find and Study a Black Hole

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Black holes sound too strange to be real. But they are actually pretty common in space. There are dozens known and probably millions more in the Milky Way and a billion times that lurking outside. The makings and dynamics of these monstrous warpings of spacetime have been confounding scientists for centuries.

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Newly Discovered Star Offers Opportunity to Explore Origins of First Stars Sprung to Life in Early Universe

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A team of researchers has observed the brightest ultra metal-poor star ever discovered. The star is a rare relic from the Milky Way’s formative years. As such, it offers astronomers a precious opportunity to explore the origin of the first stars that sprung to life within our galaxy and the universe.

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The Aliens Are Silent Because They're Dead

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Life on other planets would probably go extinct soon after its origin, due to runaway heating or cooling on their fledgling planets.

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Caltech Researchers Find Evidence of a Real Ninth Planet

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Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun.