The fathom is a unit of measurement used for nautical depths, originally based on the outstretched arms of an adult male. It measures six feet (1.8 meters) and dates back to ancient Greek times. The term has also been used to describe understanding. A burial at sea traditionally took place at a depth of at […]
The universe is too vast to comprehend, with more stars than words spoken in human history, grains of sand on Earth, and seconds Earth has existed. Astronomers estimate a trillion stars exist. The universe’s age is about 13.7 billion years, and its shape is unknown. Cosmic microwave background radiation is an afterglow from the Big […]
