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We are all, quite literally, made of star dust. Many of the chemicals that compose our planet and our bodies were formed directly by stars. Now, a new study using observations by NASA's Spitzer Space Telescope reports for the first time that silica - one of the most common minerals found on Earth - is formed when massive stars explode.

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14 Years and 11 Months in Space... One More Month to Go Before #Spitzer15

07.31.18 Posted by Marja Seidel

In less than one month, NASA’s Spitzer Space telescope will be exactly half my age and given how much time went into its planning, preparation and construction, we could probably be twins. But while I've spent all of my 30 years on Earth, Spitzer has spent 15 of those orbiting our Sun in space, looking out into the depths of the Universe.

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