The meteorite is 3.1 by 2.6 by 0.8 inches large. It is surrounded by a gray reduction halo, in the otherwise red limestone. Oxygen was consumed when the meteorite weathered on the seafloor. The coin in the image has a diameter of just under 1 inch.
The pair of galaxies NGC 1531/2, engaged in a spirited waltz, is located about 70 million light-years away toward the southern constellation Eridanus (The River).
R. Gendler and J.E. Ovaldsen/ESO/IDA
The last remaining space shuttle external propellant tank is moved across the 405 freeway in Los Angeles on Saturday. The ET-94 will be displayed with the retired space shuttle Endeavour at the California Science Center.
This artist's concept depicts some of the planetary discoveries made by NASA's Kepler Space Telescope. Tuesday's announcement more than doubles the number of verified planets discovered by the Kepler mission.
This artist's rendering shows what the view might look like from one of the three planets orbiting an ultracool, reddish dwarf star just 40 light-years from Earth.