NASA Returns to the Beach: Bright Beaches in FloridaThe white sands of Florida’s Emerald Coast beaches are primarily comprised of quartz grains from the southern Appalachian Mountains. View the full story Image Credit: NASA / Expedition 69 crew Facebook Pinterest X LinkedIn Email https://science.nasa.gov/image-detail/iss069e039255-2/Copy URL to clipboard> DownloadShareTagsEarth Observatory Image of the DayTakenJuly 30, 2023Image CreditNASA / Expedition 69 crewSize720x480px