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Tag: Lincoln Greenhill
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Nation & World
Harnessing fun for serious science
Researchers from chemistry, computer science, and astronomy are learning a trick or two from video games and investigating a new kind of computing based on graphics processing units.
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Nation & World
CfA researchers discover black holes aren’t so black
Common wisdom holds that we can never see a black hole because nothing can escape it – not even light. Fortunately, black holes aren’t completely black. As gas is pulled…
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Nation & World
New maser measurements trace detail in active galactic core
The roiling cores of many active galaxies are difficult to see in detail because of surrounding gas and interstellar dust. Smithsonian astronomers announced Jan. 12, 2006, however, a first-time measurement…
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Nation & World
A pancake, not a doughnut, shapes distant galactic center
Astronomer Lincoln Greenhill (Harvard-Smithsonian Center for Astrophysics) and colleagues have found direct evidence for a “pancake” of gas and dust at the center of Circinus — a thin, warped disk…