Visitors Now: | |
Total Visits: | |
Total Stories: |
Story Views | |
Now: | |
Last Hour: | |
Last 24 Hours: | |
Total: |
During the space age, 1961 was a special year: the Russian cosmonaut Yuri Gagarin became the first man to orbit Earth, while the American astronomer Frank Drake developed the now famous Drake Equation. This equation estimates the number of detectable extraterrestrial civilizations in our Milky Way galaxy, supposing our present electromagnetic detection methods. The Drake equation states:
Maccone estimated with his SDE that our galaxy may harbor 4,590 extraterrestrial civilizations. Assuming the same values for each term the Classical Drake Equation estimates only 3,500. So the SDE adds more than 1,000 civilizations to the previous estimate …. http://phys.org/news
2012-12-05 21:20:12
Source: http://luismmx.blogspot.com/2012/12/how-many-alien-civilizations-are-there.html