Bright surface features on the dwarf planet Ceres known as faculae were first discovered by NASA's Dawn spacecraft in 2015. via NASA https://ift.tt/2Me8LCU
Over a mere four days this summer, snow from the previous winter melted into a pond of slush a glaciologist called a “snow swamp.” via NASA https://ift.tt/2NoPJhB
A truck sprays water to reduce the dust as NASA's crawler-transporter 2 with the mobile launcher atop moves slowly along, on its trek to Launch Pad 39B. via NASA https://ift.tt/2NRaWh0
Long, narrow clouds, known as ship tracks, stood out against the backdrop of marine clouds blanketing much of the North Pacific Ocean. via NASA https://ift.tt/2PxiKFk