Everything has something to do with the Question: IF THEY ARE OUT THERE, WHY HAVEN'T THEY VISITED? The prospects are the alarming part. According to Figuring Out Whether Aliens Exist: Possible Resolutions to the Fermi Paradox The Kardashev Scale: In 1964, Soviet astronomer and SETI researcher Nikolai Kardashev proposed a classification method for grouping species based... Read more
AD or A.D. stands for Anno Domini and is a label for numbering years after Christ was born. BC or B.C. means Before Christ. The year Christ was born is considered AD 1 and the year before that is labeled 1 BC.
On the first night of February 1959, nine ski-hikers died mysteriously in the mountains of what is now Russia. The night of the incident, the group had set up camp on a slope, enjoyed dinner, and prepared for sleep—but something went catastrophically wrong because the group never returned.
Earth-Moon Fire Pole Article via: XKCD,Ramon Schönborn, Germany First, let's get a few things out of the way: In real life, we can't put a metal pole between the Earth and the Moon. The end of the pole near the Moon would be pulled toward the Moon by the Moon's gravity, and the rest of... Read more