If the planets exist, they orbit a star about twice as old as our own, so a suitable planet has had plenty of time to develop life much more advanced than Homo sapiens. That may just explain why no one from Tau Ceti has ever contacted beings as primitive as us.
Track the Planets with this Solar System Orrery | The Whiteboard Blog - 0 views
2More
A world like ours, maybe, or too smart to say - 5 views
1More
Beyond the morning star: the real tale of Voyagers' Aboriginal music - 0 views
Bob the Alien's Tour of the Solar System - 3 views
GoSkyWatch Planetarium - 0 views
Cozmic Zoom App - Science NetLinks - 0 views
Eyes on Asteroids - Home - NASA/JPL - 0 views
1 - 13 of 13
Showing 20▼ items per page