Browsing by Subject "astrophysics"
Now showing items 1-4 of 4
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(2012-03-25)Department: PhysicsThe last decade has transformed the field of cosmology into a precision science. We now know to great accuracy that the matter content of the Universe consists of approximately 85% in the form of the mysterious dark matter ...
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(2019-07-19)Department: AstronomyObservations of our own galaxy and others near and far demonstrate that massive black holes live at the centers of most galaxies. The origin of these black holes is the subject of much debate. We study the birth of these ...
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(2013-12-10)Department: PhysicsThe very-long-term (weeks to years) timing properties of high mass X-ray bina- ries (HMXBs) featuring black holes, particularly the so-called ultraluminous X-ray sources (ULXs), could be linked to the coupled precession ...
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(2012-03-31)Department: PhysicsI identified and used a large catalog of ultra-wide binaries to investigate observationally two related questions in low-mass star astrophysics: (1) What is the frequency and distribution of ultra-wide binary systems, and ...