In Memoriam - Patrick Thaddeus
Colleagues,I am very sorry to report that Pat Thaddeus passed away on April 28 at the age of 84.
Star Forming Filaments
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Interstellar molecular clouds are often seen to be elongated and "filamentary" in shape, and come in a wide range of sizes. In molecular clouds, where stars form, the filamentary structu...
ALMA Eyes Icy Ring around Young Planetary System
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Cambridge, MA -
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has made the first complete millimeter-wavelength image of the ring o...
Observatories Combine to Crack Open the Crab Nebula
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Astronomers have produced a highly detailed image of the Crab Nebula, by combining data from telescopes spanning nearly the entire breadth of the electromagnetic spectrum, from radio wave...
Obscured Supermassive Black Holes in Galaxies
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Most if not all galaxies are thought to host a supermassive black hole in their nuclei. It grows by accreting mass, and while feeding it is not hidden from our view: it generates X-ray e...
Astronomy from the Summit of Greenland
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An image of astronomical object, like other images, can be "worth 1000 words." Astronomers therefore use increasingly sophisticated technologies to obtain higher resolution images. At su...
Shocked Gas in Galaxy Collisions
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Collisions between galaxies, especially ones rich in molecular gas, can trigger bursts of star formation that heat the dust and result in their shining brightly in the infrared. Astronom...
"Iceball" Planet Discovered through Microlensing
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Cambridge, MA -
Scientists have discovered a new planet with the mass of Earth, orbiting its star at the same distance that we orbit our sun. The planet is likely far too cold to be ha...
University of Turin Awards Margaret Geller Honorary Degree
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On April 10, 2017, the University of Turin in Italy conferred an honorary degree in physics to the CfA's Margaret Geller in a day-long celebration.Margaret J. Geller is a pioneer in mappi...
A Black Hole in a Low Mass X-Ray Binary
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A globular cluster is a roughly spherical ensemble of stars (as many as several million) that are gravitationally bound together, and typically located in the outer regions of galaxies. L...