In the Dec. 23 & Jan. 6 SN: Our top stories of 2017, grounded pterosaur hatchlings, protectors of the Dead Sea Scrolls, a counterintuitive metamaterial, neutron star sizing, arrow of time reversed, E. coli in flour and more.
BABY FACE Saturn’s rings (shown in an image taken by NASA’s Cassini spacecraft on August 12, 2017) are relatively young, a few hundred million years old at most, astronomers say.
JPL-Caltech/NASA, Space Science Institute
WORKING FOR PEANUTS NASA’s New Horizons spacecraft is racing toward a rock in the Kuiper Belt called MU69. Early reconnaissance suggests that the object might be shaped like a peanut (as seen in this artist’s illustration), or could be two separate bodies.
Alex Parker/SwRI, JHUAPL, NASA
HIDDEN DEPTHS Jupiter’s Great Red Spot (left in this image from NASA’s Juno spacecraft) extends down into the planet’s atmosphere at least 350 kilometers, as far as Juno can see.