Two hours before closest approach to Neptune in 1989, the Voyager 2 robot spacecraft snapped this picture. Clearly visible for the first time were long light-colored cirrus-type clouds floating high in Neptune's atmosphere. Shadows of these clouds can even be seen on lower cloud decks
What’s causing those strange dark streaks in the rings of Saturn? Prometheus. Specifically, an orbital dance involving Saturn’s moon Prometheus keeps creating unusual light and dark streamers in the F-Ring of Saturn. Now Prometheus orbits Saturn just inside the thin F-ring, but ventures into its inner edge about every 15 hours. Prometheus’ gravity then pulls the closest ring particles toward the 80-km moon.
HL Tau, a very young (only about 1 million years old!) orange dwarf star about 450 light-years away. The dark rings are orbits cleared of dust by planets as they form!
Tawny Owl Feather, SEM by Power and Syred/Science Photo Library: The comblike structure of the leading edge of an owls wing with filamentous extension of their anterior barbules on their feathers breaks turbulence into micro turbulence, muffling sound and giving owls the benefit of silent flight. Most other birds and including raptors (and some daylight hunting owls) do not have this structure. tinyurl.com/... #Owl_Feathers #Tawny_Owl #Feather #SEM #Power_and_Syred_Science_Photo_Library
A team of researchers from North Carolina State University and the Palo Alto Research Center (PARC) has found more evidence for the preservation of ancient dinosaur proteins, including reactivity to antibodies that target specific proteins normally found in bone cells of vertebrates. These results further rule out sample contamination, and help solidify the case for preservation of cells -- and possibly DNA -- in ancient remains.
THE CORE OF OUR GALAXY, seen in infrared light by the Spitzer Space Telescope. Blue light is from stars, green light is from polycyclic carbon molecules, yellow and red light is from the thermal glow of warm dust. This image spans approximately 1000 light years by 1600 light years. The galactic core is 26,000 light years away.