Posted on Oct 5, 2022
APOD: 2022 October 5 - Expanding Plume from DARTs Impact
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Thank you my space-exploration advocate friend Maj William W. 'Bill' Price for posting the October 5, 2022 Astronomy Picture of the Day (APOD): Expanding Plume from DARTs Impact
Image "Expanding Plume from DART's Impact
Video Credit: Les Makes Observatory, J. Berthier, F. Vachier, A. Klotz, P. Thierry, T. Santana-Ros, ESA NEOCC, D. Föhring, E. Petrescu, M. Micheli
Explanation: What happens if you crash a spaceship into an asteroid? In the case of NASA's DART spaceship and the small asteroid Dimorphos, as happened last week, you get quite a plume. The goal of the planned impact was planetary protection -- to show that the path of an asteroid can be slightly altered, so that, if done right, a big space rock will miss the Earth. The high brightness of the plume, though, was unexpected by many, and what it means remains a topic of research. One possibility is that 170-meter wide Dimorphos is primarily a rubble pile asteroid and the collision dispersed some of the rubble in the pile. The featured time-lapse video covers about 20 minutes and was taken from the Les Makes Observatory on France's Reunion Island, off the southeast coast of southern Africa. One of many Earth-based observatories following the impact, the initial dot is primarily Dimorphos's larger companion: asteroid Didymos. Most recently, images show that the Didymos - Dimorphos system has developed comet-like tails.
FYI 1LT (Join to see) Lt Col Timothy Cassidy-Curtis
Image "Expanding Plume from DART's Impact
Video Credit: Les Makes Observatory, J. Berthier, F. Vachier, A. Klotz, P. Thierry, T. Santana-Ros, ESA NEOCC, D. Föhring, E. Petrescu, M. Micheli
Explanation: What happens if you crash a spaceship into an asteroid? In the case of NASA's DART spaceship and the small asteroid Dimorphos, as happened last week, you get quite a plume. The goal of the planned impact was planetary protection -- to show that the path of an asteroid can be slightly altered, so that, if done right, a big space rock will miss the Earth. The high brightness of the plume, though, was unexpected by many, and what it means remains a topic of research. One possibility is that 170-meter wide Dimorphos is primarily a rubble pile asteroid and the collision dispersed some of the rubble in the pile. The featured time-lapse video covers about 20 minutes and was taken from the Les Makes Observatory on France's Reunion Island, off the southeast coast of southern Africa. One of many Earth-based observatories following the impact, the initial dot is primarily Dimorphos's larger companion: asteroid Didymos. Most recently, images show that the Didymos - Dimorphos system has developed comet-like tails.
FYI 1LT (Join to see) Lt Col Timothy Cassidy-Curtis
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https://www.youtube.com/watch?v=7aAH4eVrVp8
FYI COL Randall C. SPC Deb Root-White SPC (Join to see) Amn Dale Preisach SGT Jim Arnold SGT Tiffanie G. SSG Franklin Briant SSG Robert Pratt SSgt David M.PO3 Edward RiddleMAJ Dale E. Wilson, Ph.D. SGT David A. 'Cowboy' GrothSGT Mark AndersonMSG Greg Kelly Lt Col Charlie Brown Maj William W. 'Bill' Price
https://www.youtube.com/watch?v=7aAH4eVrVp8
FYI COL Randall C. SPC Deb Root-White SPC (Join to see) Amn Dale Preisach SGT Jim Arnold SGT Tiffanie G. SSG Franklin Briant SSG Robert Pratt SSgt David M.PO3 Edward RiddleMAJ Dale E. Wilson, Ph.D. SGT David A. 'Cowboy' GrothSGT Mark AndersonMSG Greg Kelly Lt Col Charlie Brown Maj William W. 'Bill' Price
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FYI 1SG Joseph Dartey SPC Gary C. MAJ Dale E. Wilson, Ph.D. Amn Dale Preisach PO3 Edward Riddle PO3 Charles Streich SGT Mary G. Sgt (Join to see) Maj Bill Smith, Ph.D. Maj William W. 'Bill' Price SPC Maurice EvansSPC Michael Duricko, Ph.D SPC Tarrence Molendyk SPC Tina Jones SPC Bob Ridley SPC Jon O.SSG Robert Pratt SSG (Join to see) SGT Steve McFarlandSGT Steve McFarland
https://www.youtube.com/watch?v=-GVPsf6oaqM
FYI 1SG Joseph Dartey SPC Gary C. MAJ Dale E. Wilson, Ph.D. Amn Dale Preisach PO3 Edward Riddle PO3 Charles Streich SGT Mary G. Sgt (Join to see) Maj Bill Smith, Ph.D. Maj William W. 'Bill' Price SPC Maurice EvansSPC Michael Duricko, Ph.D SPC Tarrence Molendyk SPC Tina Jones SPC Bob Ridley SPC Jon O.SSG Robert Pratt SSG (Join to see) SGT Steve McFarlandSGT Steve McFarland
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