What are these unusual lines on a Oregon coast dune?

SpaceX launches Starlink mission from Cape Canaveral

SpaceX launches Starlink satellites to low-Earth orbit

SpaceX Falcon 9 launches EarthCARE satellite for mission in low-Earth orbit

WATCH: SpaceX's Falcon 9 launches 24 satellites into Earth's orbit

SpaceX Falcon 9 Launch of 56 Starlink Satellites

SpaceX Polaris Dawn launches with four person crew

SpaceX launches rescue mission for 2 NASA astronauts who are stuck in space until next year

July ends 13-month streak of global heat records as El Nino dwindles but experts warn against relief

SpaceX loses contact with spacecraft during latest Starship mega rocket test flight