This LIDAR (Laser Interferometry Detection and Ranging) image shows the historic channels and meanderings of a section of the Willamette River in Oregon. Credit: Dan Coe/ Oregon Department of Geology and Mineral Industries. Order a poster version here.
Filamentous remnant of an explosion of the Vela Supernova 10,000-12,000 years ago. Credit: Earth Science Picture of the Day
These three images appeared to me electronically within the span of twenty-four hours--one on someone else's SmartPhone and two in my e-mail inbox.
I have written several sentences in this space, but have deleted all but this one.