In 2008, Ukraine's Space Agency Sent A Message To Planet Gliese 581c. It Will Arrive In 2029In 2008, humans on Earth sent a message to exoplanet Gliese 581c. The message will arrive at the planet in 2029. If (an "if" of astronomical proportions) there were aliens there, the earliest we could expect a reply is 2050.Discovered in 2007, Gliese 581c is the second planet discovered in the Gliese 581...
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek