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Crab Nebula
Looking at Old Stars in New Ways: Gravitational Waves Help Us See Inside a Neutron Star

You might have heard the stories: neutron stars are so dense that one teaspoon would weigh about a billion tons on Earth. These stars were once not so different from our Sun, generally about 4 to 8 times more massive. But when these stars run out of fuel to burn, they have a supernova explosion, and eject their outer layers – and in this particular case, the ejected outer layers formed what we now call our beautiful Crab Nebula (see photo). The inner part of the star, with no more fuel, collapse ...More »

 

Maria Mitchel Observatory REU

Statistics of Turbulence Probed by H2O Masers in Star Forming Regions
Article imageABSTRACT Using interferometric maps, the statistical properties of the velocity fields traced by H2O masers in five galactic regions of star formation were investigated. In a previous work, Strelnitski et al. (2002) concluded that H2O masing spots in such regions appear to probe highly intermittent supersonic turbulence and demonstrated that the two-point velocity correlation functions for the line-of-sight components of velocity traced by th…
Statistics of the Velocity Field and Spatial Distribution of Hot Spots in Methanol Masers
Article imageABSTRACT We present the results of the first study of statistical properties of velocity field and spatial distribution of the observed “hot spots” in methanol maser sources with available interferometric maps. Three Class I sources and one Class II source were investigated. In the majority of the sources, both the velocity difference between the pairs of spots and the average number density of the neighbors to a spot are a…

Research

Bio-Transfer and Metabolism in the Distributed System Under Uncertainty Bio-Transfer and Metabolism in the Distributed System Under Uncertainty
Computer Modeling of Physiological Conditions for Better Understanding of Intracranial Blood Pressure and Brain Vasculature Computer Modeling of Physiological Conditions for Better Understanding of Intracranial Blood Pressure and Brain Vasculature
The Identification of Chemicals using Clustering and Extrapolation From an External Database for Electronic Nose Sensors The Identification of Chemicals using Clustering and Extrapolation From an External Database for Electronic Nose Sensors
 

Features

Fair is Foul and Foul is Fair: Europe’s return to coal Fair is Foul and Foul is Fair: Europe’s return to coal
 

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