Our Planet Is Travelling Through The Debris of Ancient Supernovae – ScienceAlert

Radioactive dust deep beneath the ocean waves suggests that Earth is moving through a massive cloud left behind by an exploded star.
Continuously, for the last 33,000 years, space has been seeding Earth with a rare isotope of iron forged in supernovae.
It’s not the first time that the isotope, known as iron-60, has dusted our planet. But it does contribute to a growing body of evidence that such dusting is ongoing – we are still moving through an interstellar cloud of dust that could have originated…

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