“Bright Galaxies, Dark Skies”
By James D. Lowenthal Professor of Astronomy
Smith College Northampton, Massachusetts
November 24 (Sunday) at 9:30 am Philippine Standard Time/November (Saturday) at 8:30 pm EST
How did galaxies like our own Milky Way Galaxy — home to the Sun and over 100 billion other stars — form soon after the Big Bang? How did they evolve over billions of years into the galaxies we see near us today? One way to address those questions is to look far back in time to see galaxies forming directly. Some of the most spectacular and interesting such distant galaxies are dusty, star-forming galaxies, some of which are forming stars more than 1,000 times faster than the Milky Way currently does.How do they do it? Where does the gas come from? Are they actually two giant galaxies colliding? What can they tell us about the formation of galaxies in general?Using the Hubble Space Telescope, the James Webb Space Telescope, the Large Millimeter Telescope, and other major telescopes on the ground and in space, an international team of researchers called PASSAGES is taking a deep dive into these early cauldrons of star formation.Dr. James Lowenthal is a Professor of Astronomy at Smith College in Northampton, Massachusetts.His research interests include high-redshift galaxies, Lyman-break galaxies, starburst galaxies, millimeter- and submillimeter-wavelength galaxies, galaxy formation and evolution, QSO absorption line systems, QSO host galaxies and ultra-faint radio sources. He has used some of the largest telescopes in the world, such as Keck, Hubble, Spitzer and the Large Millimeter Telescope in Sierra Negra, Mexico.
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