50 ( 78-Pt-193, ½-life = 50 years )

(

North

50:

20.889801, -88.141645

-88,141645 20,889801

https://goo.gl/maps/uAJnjTzp1NsH7PeC9

50,0000 km to Pyramid of Kukulcan, Chichén Itzá

South

50:

20.888362, -88.140855

-88,140855 20,888362

https://goo.gl/maps/XffeTEw9Mf8ZYvWv8

50,0000 km to Pyramid of Kukulcan, Chichén Itzá

)

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Picture

50-50-001-cut-03.jpg

https://sites.google.com/site/abraham175code/chicxulub-crater/50/50-50-001-cut-03.jpg

Google-Map:

https://goo.gl/maps/eRYorw3mQuUY2mQU7

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Sources (Kilder):

Files in use ...

https://sites.google.com/site/abraham175code/files/22-xxx/22-4xx/22-45x/22-454 (2020-08-19)