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.
11.16.18
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Exploding Stars Make Key Ingredient in Sand, Glass
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11.14.18
NASA Learns More About Interstellar Visitor 'Oumuamua
In November 2017, scientists pointed NASA's Spitzer Space Telescope toward the object known as 'Oumuamua - the first known interstellar object to visit our solar system. The infrared Spitzer was one of many telescopes pointed at 'Oumuamua in the weeks after its discovery that October.
10.23.18
Newborn Stars Blow Bubbles in the Cat's Paw Nebula
This image from NASA's Spitzer Space Telescope shows the Cat's Paw Nebula, so named for the large, round features that create the impression of a feline footprint. The nebula is a star-forming region in the Milky Way galaxy, located in the constellation Scorpius. Estimates of its distance from Earth range from about 4,200 to about 5,500 light-years.
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