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Originally Posted by

**DanielC** Let's try a rough calculation first:

...

the ratio between these two quantities is:

(1/10000 * R_Sun^2) / (R_BH^2) = 5.4 x 10^6

Couple of days ago read article Dark Matter collisions with the Human Body. What is your opinion about this article? Can you calculate estimate collision of Dark Matter with Human Body in the same way how you estimate it with Sun and BH? If estimation 100,000 collisions per year for each human on the planet is correct? If such collision are dangers and effect to health?

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4SE, Coronado Solarmax II 60

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Digital Cameras: Canon 60Da and 40D. CCD: NexImage

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& Filter Accessory Kit - 1.25", T-Adapter with

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Universal, Other: Bahtinov focus mask

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: Registax 6, Stellarium, PhotoShop, Deep Sky Stacker, AMCap

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my backyard videos about

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astrophotos

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