The Radcliffe Wave
The Gould Belt is an expanding ring of young stars, gas and dust situated about a thousand light-years from the Sun - which is to say, in our solar neighborhood. It stretches over a few t...
A Submillimeter Survey of Protostars
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The formation of stars involves the complex interactions of many phenomena, including gravitational collapse, magnetic fields, turbulence, stellar feedback, and cloud rotation. The balanc...
The Cosmic Confusion of the Microwave Background
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Roughly 380,000 years after the big bang, about 13.7 billion years ago, matter (mostly hydrogen) cooled enough for neutral atoms to form, and light was able to traverse space freely. That...
Scientists Complete ELM Survey, Discover 98 Double White Dwarf Stars
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Cambridge, MA -
Scientists at the Center for Astrophysics | Harvard & Smithsonian (CfA) have completed the Extremely Low Mass--also known as ELM--spectroscopic study of white dwarf s...
Driving Massive Galaxy Outflows with Supermassive Blackholes
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Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material onto their hot circumnuclear disks, releasing the energy in bursts of radi...
Top High-Energy Prize Awarded to Event Horizon Telescope Project
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The top prize in high-energy astrophysics has been awarded to Dr. Sheperd Doeleman of the Center for Astrophysics | Harvard & Smithsonian and the Event Horizon Telescope team for the ...
X-Ray Detection of a Cepheid Binary
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A Cepheid variable star is one whose particular mass and age (along with some of its other physical parameters) result in brightness oscillations with a precise period proportional to the...
First Results from the Dark Energy Survey
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The Dark Energy Survey (DES) program uses the patterns of cosmic structure as seen in the spatial distribution of hundreds of millions of galaxies to reveal the nature of "dark energy," t...
NASA Planet Hunter Finds its 1st Earth-size Habitable-zone World
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Cambridge, MA - NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size planet in its star's habitable zone, the range of distances where conditions may be...
The Interiors of Stars
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The interiors of stars are largely mysterious regions because they are so difficult to observe. Our lack of understanding about the physical processes there, like rotation and the mixing ...