The age of the universe and its vast number of stars suggests that extraterrestrial life should be common. If that’s the case, then where is everyone? In this infographic we explore some possibilities.
A long way to go: The yellow dot shows the 200 light year radius of how far radio waves have reached into the Milky Way. (via Earth calling: Tiny yellow dot shows distance radio broadcasts to aliens have travelled)
Astronomer Frank Drake sends out a powerful series of radio pulses using the Arecibo radio telescope in Puerto Rico on November 16 intended to communicate with extraterrestrial intelligences. It is aimed at the globular star cluster
The Pioneer plaques are a pair of gold-anodized aluminium plaques which were placed on board the 1972 Pioneer 10 and 1973 Pioneer 11 spacecraft, featuring a pictorial message, in case either Pioneer 10 or 11 is intercepted by extraterrestrial life.
Exterior view of a double cylinder colony. A couple of space colony summer studies were conducted at NASA Ames in the Colonies housing about people were designed. A number of artistic renderings of the concepts were made.
A new ultrastable adhesive identified through ESA research could be a key to assembling rock-solid structures for space, including large telescopes, instruments and antennas to peer deeper into the cosmos or sharpen views of our terrestrial environment.