Green Matters on MSN
NASA's Webb found an unlikely element in cosmic dust — and scientists didn't see it coming
'This is something we’ve never seen in stars that are analogs of stars in the early universe,' an astronomer said.
Somehow, even without silicon, this star was surrounded by dust. The dust grains were made almost entirely of iron. This has ...
It has been a mystery for astronomers how certain dying stars have their colossal quantities of material blown out into the universe and shrink into objects called “white dwarves”. This is the basis ...
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