AAVSO AAVSO Alert Notice 454
Monitoring of CH Cyg Requested for Chandra and HST Observations
March 2, 2012

Dr. Margarita Karovska, Harvard-Smithsonian Center for Astrophysics, has requested visual and photometric observations of the symbiotic variable CH Cyg in preparation for and support of Chandra and HST observations scheduled for later in March 2012. Dr. Karovska’s observations will be a followup investigation …

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Astronomers using ESA’s Herschel and NASA’s Spitzer space telescopes have detected surprisingly rapid changes in the brightness of embryonic stars within the well-known Orion Nebula.


This new view of the Orion Nebula shows embryonic stars within extensive gas and dust clouds. Combining far-infrared observations from the Herschel Space Observatory and mid-infrared observations from NASA’s Spitzer Space Telescope, the image shows …

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A proposed Discovery mission concept led by NASA’s Jet Propulsion Laboratory, Pasadena, Calif., to investigate the formation and evolution of terrestrial planets by studying the deep interior of Mars now has a new name, InSight.


Artist rendition of the proposed InSight (Interior exploration using Seismic Investigations, Geodesy and Heat Transport) Lander. InSight is based on the proven Phoenix Mars spacecraft …

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Earth Day 2015

Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this special edition, Envisat Mission Manager, Henri Laur, joins the show to discuss ten years of the Earth-observing mission.

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NASA’s Glenn Research Center will host an event on March 2 to commemorate the 50th anniversary of John Glenn’s orbital flight, the first by an American.

“Celebrating John Glenn’s Legacy: 50 Years of Americans in Orbit” will be held at 1 p.m. EST at Cleveland State University’s Wolstein Center, 2000 Prospect Ave., in Cleveland. More than 800 complimentary tickets are …

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