Tag Archives: cosmic rays

Periodic Table – Where Your Elements Came From

“The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior … Continue reading

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Space Shuttle Endeavour’s Final Flight

Space Shuttle Endeavour is scheduled to make its final flight into space today. After nearly 20 years in service, and having flown a cumulative distance of 166 million km, this flight marks the 25th and final launch of the Shuttle, … Continue reading

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