…stars, black holes, jets traveling at nearly the speed of light emanating from near the center of clusters of galaxies. In this talk, we’ll take a tour of the discoveries…

…thermal modeling, based in part on lava deposits that flooded the large impact basins on the moon’s near side. Scientists have observed that more volcanic activity occurred on the near…

…the heliosheath near the outer boundary of the solar magnetic field. Heliosphere and bow shock of the sun. The Voyager 1 and 2 spacecraft are now (2012) in the “Heliosheath”,…

…more accurate galaxy properties and 2) problems with model simplicity or inflexibility can be mitigated by considering more complex models alongside thoughtful priors to avoid degeneracies between model parameters. Bio:…

…however, there is a bit of randomness among a laser’s individual photons, in the form of quantum fluctuations, also known in physics as “shot noise.” For instance, the number of…

…laser’s individual photons, in the form of quantum fluctuations, also known in physics as “shot noise.” For instance, the number of photons in a laser that arrive at a detector…

…submitted). I have found that the number of massive stars that chemically contribute to a typical metal-poor halo star (~5) is comparable to the number of enriching stars inferred for…

On Nov. 22, 2014, astronomers spotted a rare event in the night sky: A supermassive black hole at the center of a galaxy, nearly 300 million light-years from Earth, ripping…

On Nov. 22, 2014, astronomers spotted a rare event in the night sky: A supermassive black hole at the center of a galaxy, nearly 300 million light-years from Earth, ripping…