Why Any Solution to the Drake Equation is Scary No Matter the Answer Astrum 18:02 1 year ago 690 282 Скачать Далее
Why Any Solution to the Drake Equation is Scary No Matter the Answer Beyond The Cosmos 15:06 3 days ago 155 Скачать Далее
The Drake Equation - How Many Aliens Are Out There? Science Unbound 13:22 1 year ago 131 694 Скачать Далее