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News From the Field
Galaxies on FIRE: Star feedback results in less-massive galaxies

January 22, 2014

image from video showing the gases in a galaxy For decades, astrophysicists have encountered a contradiction: Although many galactic-wind models--simulations of how matter is distributed in the universe--predict that most matter exists in stars at the center of galaxies, in actuality these stars account for less than 10 percent of the matter in the universe. New simulations offer insight into this mismatch between the models and reality: Energy released by individual stars can have a substantial effect on where matter ends up. Full Story

Source
California Institute of Technology

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2014, its budget is $7.2 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 50,000 competitive requests for funding, and makes about 11,500 new funding awards. NSF also awards about $593 million in professional and service contracts yearly.

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