Starlust on MSN
Stardust trapped in Antarctic ice reveal our solar system's journey through a cosmic cloud
Fluctuating levels of radioactive iron-60 suggest the solar system recently entered a cosmic cloud.
When you think of outer space, you're likely picturing stars, planets and moons. But much of space is filled with clouds of ...
Learn how traces of a rare radioactive element preserved in Antarctic ice may show that the Solar System is currently passing ...
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