Image:
![Artist’s impression of a supernova](https://www.uoguelph.ca/ceps/sites/default/files/field_feature_image/collapsar-500x338.jpg)
Summary:
Physics Prof. Daniel Siegel discovered that Earth's heavy metals, including gold and platinum, likely came from star explosions.
Category:
Physics Prof. Daniel Siegel discovered that Earth's heavy metals, including gold and platinum, likely came from star explosions.