Decoding the disk; are you smarter than a humanoid? (Credit: NASA/JPL).
If we were to vanish from the cosmic scene tomorrow, what would be our most lasting impact? Would it be our monuments, our terrestrial relics, or our broadcasts of I Love Lucy and the Jerry Springer Show? Thankfully, researchers in the 1970�s designed a �message in a bottle� to be tossed out across the cosmic sea attached to the twin Voyager spacecraft. Launched in 1977, both spacecraft reconnoitered the outer planets before being flung on trajectories that will leave our solar system. [Read more...]














How Many Space Relics Are Out There?
An artist’s conception of Pioneer 10 drifting silently around the galaxy.
(Credit-NASA).
The Drake Equation may be due an overhaul.
It’s fun to sit and think how many extraterrestrial civilizations might be out there.� First expressed by astronomer Frank Drake in 1960, the Drake Equation frames the question of how many civilizations might in our galaxy for us to potentially communicate with in mathematical terms. [Read more...]