Arabian Flows
Astronaut Terry W. Virts, currently aboard the International Space Station, sent down this image of the Arabian desert, showing the difference in sand and water flows.
![B5Ze5PhCIAAjuoZ.jpg_large.jpg](https://th-thumbnailer.cdn-si-edu.com/48mcvq_Q-cx7JgXxOwFP3J9AA-o=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/9e/f2/9ef24ef7-7a77-425e-89c1-dcd21972d407/b5ze5phciaajuozjpg_large.jpg)
Astronaut Terry W. Virts, currently aboard the International Space Station, sent down this image of the Arabian desert, showing the difference in sand and water flows.