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Good morning, Rallypoint, and welcome to the April 14th Astronomy Picture of the Day (APOD): "Messier 96." First discovered in 1781 by French astronomer Pierre Méchain and confirmed four days later by Charles Messier, this galaxy is similar in size to our Milky Way and lies 31 million light years away in the constellation Leo. Ultraviolet emissions from its core suggest the presence of a supermassive black hole. How massive? Somewhere between 150,000 and 4,800,000 times the mass of the Sun.
A supernova was detected in Messier 96 (M96) in 1998. Observational data suggest that this explosion created 0.4 solar masses of iron, and also detected significant levels of radioactive cobalt (which decays to iron). M96 is the namesake of the 'M96 Group' of galaxies that also contains M95 and M105, both discovered by Pierre Méchain. M105 was added to the Messier catalog after a 1955 discovery of a letter from Méchain to Messier reporting his findings of this threesome.
A supernova was detected in Messier 96 (M96) in 1998. Observational data suggest that this explosion created 0.4 solar masses of iron, and also detected significant levels of radioactive cobalt (which decays to iron). M96 is the namesake of the 'M96 Group' of galaxies that also contains M95 and M105, both discovered by Pierre Méchain. M105 was added to the Messier catalog after a 1955 discovery of a letter from Méchain to Messier reporting his findings of this threesome.
APOD: 2022 April 14 - Messier 96
Posted from apod.nasa.gov
NASA
Space
Science
Photography
Astronomy
Posted >1 y ago
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Maj William W. 'Bill' Price good morning my friend, and good to see you on the RP net April 14, 2022 . I have said it many times before, yet I will say it again, "nobody does it better from above". Thank you for sharing Astronomy Picture of the Day (APOD): "Messier 96."
PO1 William "Chip" Nagel Lt Col Charlie Brown SSG Michael Noll Lt Col John (Jack) Christensen Cpl Vic Burk MAJ Dale E. Wilson, Ph.D. SGT Charlie Lee PO2 Marco Monsalve SGT David A. 'Cowboy' Groth ] SSG William Jones Sgt (Join to see) 1SG Dan Capri CDR Andrew McMenamin, PhD SrA John Monette SFC Bernard Walko GySgt Jack Wallace SPC Michael Terrell SMSgt Anil Heendeniya CPL Patrick Rasmussen
PO1 William "Chip" Nagel Lt Col Charlie Brown SSG Michael Noll Lt Col John (Jack) Christensen Cpl Vic Burk MAJ Dale E. Wilson, Ph.D. SGT Charlie Lee PO2 Marco Monsalve SGT David A. 'Cowboy' Groth ] SSG William Jones Sgt (Join to see) 1SG Dan Capri CDR Andrew McMenamin, PhD SrA John Monette SFC Bernard Walko GySgt Jack Wallace SPC Michael Terrell SMSgt Anil Heendeniya CPL Patrick Rasmussen
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