Tiny crystals in Earth’s crust have captured the movement of the Milky Way’s spiral arms
- Written by Chris Kirkland, Professor of Geochronology, Curtin University
Mengliu Di/PexelsWhen most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly drifting apart (or back together again) over millions or billions of years. We also know meteorite impacts were important; our crater-packed Moon is clear evidence of that.
But what if Earth’s geological...
Read more: Tiny crystals in Earth’s crust have captured the movement of the Milky Way’s spiral arms
Daily Bulletin
