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Astronomy 5/24/23

This image taken by NASA’s James Webb Space Telescope shows one of a total of 19 galaxies targeted for study by the Physics at High Angular resolution in Nearby Galaxies (PHANGS) collaboration. Nearby barred spiral galaxy NGC 1433 takes on a completely new look when observed by Webb’s Mid-Infrared Instrument (MIRI). NGC 1433’s spiral arms are littered with evidence of extremely young stars releasing energy and, in some cases, blowing out the gas and dust of the interstellar medium. Areas that appear dark and dim in optical imaging light up under Webb’s infrared eye. This is due to clumps of dust and gas in the interstellar medium absorbing the light from forming stars and emitting it back out in the infrared. At the center of the galaxy, a tight, bright core featuring a unique double ring structure shines in exquisite detail with Webb’s extreme resolution. In this case, that ‘double ring’ is actually tightly wrapped spiral arms that wind into an oval shape along the galaxy’s bar. NGC 1433 lies over 46 million years away from Earth in the constellation Horologium.
SCIENCE: NASA, ESA, CSA, Janice Lee (NOIRLab) - IMAGE PROCESSING: Alyssa Pagan (STScI)
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WebbTelescope.org
This image taken by NASA’s James Webb Space Telescope shows one of a total of 19 galaxies targeted for study by the Physics at High Angular resolution in Nearby Galaxies (PHANGS) collaboration. Nearby barred spiral galaxy NGC 1433 takes on a completely new look when observed by Webb’s Mid-Infrared Instrument (MIRI). NGC 1433’s spiral arms are littered with evidence of extremely young stars releasing energy and, in some cases, blowing out the gas and dust of the interstellar medium. Areas that appear dark and dim in optical imaging light up under Webb’s infrared eye. This is due to clumps of dust and gas in the interstellar medium absorbing the light from forming stars and emitting it back out in the infrared. At the center of the galaxy, a tight, bright core featuring a unique double ring structure shines in exquisite detail with Webb’s extreme resolution. In this case, that ‘double ring’ is actually tightly wrapped spiral arms that wind into an oval shape along the galaxy’s bar. NGC 1433 lies over 46 million years away from Earth in the constellation Horologium.
Dr. Valerie Rapson, head shot
Courtesy of Valerie Rapson
Dr. Valerie Rapson

We talk astronomy with Bob Berman and Dr. Valerie Rapson. Call at show time with your questions. 800-348-2551. Ray Graf hosts.

Dr. Valerie Rapson is an Assistant Professor of Physics and Astronomy at SUNY Oneonta. Dr. Rapson teaches a variety of physics and astronomy courses. She also conducts exoplanet research with students utilizing telescopes at the College Camp Observatory.

A native of Rochester, NY, she earned her Ph.D. in Astrophysical Sciences and Technology at RIT where her research focused on the chemical composition and structure of planet-forming disks around nearby young stars. Her research interests include star and planet formation, exoplanets, and projects that can be done with small telescopes.

Prior to joining the faculty at Oneonta, Dr. Rapson was the director of the Dudley Observatory in Albany, NY. There, she designed and taught astronomy education programs for children and adults, operated the Suites-Bueche planetarium, and oversaw the construction of roll-top roof observatory with a 14inch telescope. She is a National Astronomy Ambassador and was awarded the 2018 Emerging Leader Award by Girls Inc. of the Greater Capital Region for being a role model to young women who aspire to become scientists.

Bob Berman, head shot
Bob Berman
Bob Berman

Bob Berman is one of the best-known and most widely-read astronomers in the world. He is able to translate complex scientific concepts into language that is understandable to the casual observer yet meaningful to the most advanced. His written work has appeared in Discover Magazine and Astronomy Magazine. Bob is also the Astronomy Editor for The Old Farmers Almanac.

Bob Berman is the author of a dozen books including, Zapped: From Infrared to X-rays, The Sun's Heartbeat, Zoom: How Everything Moves and Earth-Shattering: Violent Supernovas, Galactic Explosions, Biological Mayhem, Nuclear Meltdowns, and Other Hazards to Life in Our Univererse.

Bob Berman is the host of Strange Universe, which is produced and airs at WAMC.

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