How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
Reference: NASA
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
The International Space Station orbits Earth about every 90 minutes, so astronauts see about 16 sunrises a day.
Most substances take up less space when frozen than when liquid. Ice from water on the other hand occupies more space than the original liquid water did.