Recent content by Mark3141

The idea that objects, e.g., rocks, are arriving from the Alpha Centauri system in our solar system appears reasonable and to be expected. However, the study is only a first order crude approximation of the actual interactions. While the study noted the Alpha Centauri system will make its...

Whether you like Boeing or not, this comes as a surprise to no one. I wonder if a criminal case can be made against certain Boeing execs.

I am having a hard time accepting only 1 in 2,500 galaxies has a technological civilization, but here is the mind blowing part. Given that current estimates for the number of galaxies in the universe are 2 trillion, that would still leave us with 800 million technological civilizations in the...