Roanoke Valley Astronomical Society

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Cordinates: 37o 16' 04" N, 79o 56' 26"W
Altitude is about 1050 feet (320 meters)

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By Clem Elechi

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RVAS MONTHLY “Zoom” MEETING: Monday, May 16th, 7:30 p.m. (Informal “Celestial Café” chat session begins at 7:00 p.m.). Unreachably deep within Earth and the other rocky planets lies a core that scientists infer is molten metal. We can’t directly see or measure this core. But there are other means to gain insight into its nature and history. Scheduled for launch August 1st, the NASA Psyche Mission is among these means and Arizona State University is one of NASA’s key partners. Our guest speaker for the May meeting is Dr. David A. Williams, Research Professor in the School of Earth and Space Exploration at Arizona State University, Tempe, Arizona. He is also Director of the Ronald Greeley Center for Planetary Studies and a Co-Investigator for the Psyche Mission. He will share his perspectives on this mission to metal-rich Psyche, a main-belt asteroid, which appears to be the exposed core of an early planet. Dr. Williams will guide us through Psyche’s science goals and objectives, instruments and investigations, Deep Space Optical Communication system, testing a sophisticated new laser technology, and the mission timeline and events. Please plan to join us on the 16th for Dr. Williams’ presentation, along with our monthly astrophotography, What’s Up and other segments. RVAS President John Goss will email the Zoom invitation and link during the weekend prior to the meeting.


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