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COS Observations of the Chemical Composition of SNR LMC N132D France et al.

COS Observations of the Chemical Composition of SNR LMC N132D France et al. Ben Folsom and Sharlene Rubio. Background on Supernovae:. -Fe 56 is the most stable isotope inside a star, meaning it requires energy input for fusion or fission.

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the s-process

80 Br, t 1/2 =17 min, 92 % ( b - ) , 8 % ( b + ). p-p r ocess. proton number. 85 Kr, t 1/2 =11 a. 79 Se, t 1/2 =65 ka. r-process. 64 Cu, t 1/2 =12 h, 40 % ( b - ) , 60 % ( b + ). 63 Ni, t 1/2 =100 a. neutron number. s-only. (from Rene Reifarth). the s-process. Zr. Y. Sr. (n, g ).

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472 views • 12 slides

Black Hole

Black Hole. Extremely dense point = Singularity – Bottom of the funnel Billion tons/golf ball Enormous gravity field Light cannot escape from a black hole Looks like a funnel Top of Funnel = Event Horizon. Black Holes come from Collapsed Massive Stars. Massive &gt; 8 solar masses

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364 views • 6 slides

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