10 Photos That Show the Vastness of the Universe
If someone tells you that the universe is vast, ask them: How big is it exactly? That’s a question that leaves anyone speechless. You can only begin to grasp the ...
Tag: comet
The world’s oldest calendar found, marking the catastrophic collision of a comet
A recent study suggests that carvings on a large stone pillar in Turkey, dating back nearly 13,000 years, may represent the world's oldest solar and lunar calendar. This calendar could ...
