published on: 2017-10-17 09:52:44
Los Signos del zodiaco en citas de pensadores
enrique262:Su-24M “Fencer”
gunsm1th:While the Fencer is an aged design that can trace its
musical-gopher: Just a reminder of how big these things are.
astronomyblog: Space animationCredit: Science Channel
astronomyblog: Expanding Solar System video