![](https://engineering.jhu.edu/magazine/wp-content/uploads/2018/05/El-mir-collage_THUMB.jpg)
Asteroid Architecture
Knowing whether an asteroid is a giant hunk of rock or a floating gravel pile—or a mix of the two—will make a big difference in strategies that researchers might devise to prevent one from striking Earth or to drill inside.
Knowing whether an asteroid is a giant hunk of rock or a floating gravel pile—or a mix of the two—will make a big difference in strategies that researchers might devise to prevent one from striking Earth or to drill inside.