Ropes I Know

May 31, 2008

Sense of Proportion

Filed under: Life Universe and All the Rest — Tags: , , — Yeti @ 9:37

(To keep the numbers memorable, I’ll shamelessly round them wherever I see fit …)

Our sun shines with an energy of about 4*10^26 W, that’s about 400 thousand trillion gigawatts. It achieves this by fusioning about 564 million tons (metric ones, that is …) of Hydrogen, resulting in 560 million tons of Helium ….

… per second.

This means that – and you really have to consider this hard to get to the point – 4 million tons of matter are transformed into pure energy. 4 million tons of matter-equivalent radiated off into space. Each and every second. For millions and billions of years. Since our sun has been shining, it has converted about 90 times the earth’s mass into pure energy.

(more…)

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