“Tracks made by atomic particles from a particle accelerator, a device that speeds up the particles. The eye can’t see protons, electrons, and other subatomic particles, but a camera records their frothy wakes in a chamber of liquefied neon and hydrogen at the Fermi National Accelerator Laboratory in Batavia, Illinois. Physicists study the tracks to learn about the characteristics of the particles that produced them.” - National Geographic, 1978.
Orion in Gas, Dust, and Stars Explanation: The constellation of Orion holds much more than three stars in a row. A deep exposure shows everything from dark nebula to star clusters, all embedded in an extended patch of gaseous wisps in the greater Orion Molecular Cloud Complex. Image Credit & Copyright: Rogelio Bernal Andreo (Deep Sky Colors) apod.nasa.gov/...
Michael Reichel / AFP - Getty Images A hiker walks through the fog on the Rennsteig hiking trail near Masserberg, eastern Germany, on Oct. 16. The Rennsteig is a 105-mile long ridge walk across the Thuringian and Franconian forest, that attracts tourists and hikers.
Skywatchers excited as Comet ISON approaches its big day in the sun