What a wonderful question! The simple answer is that they relied on centuries of previous observations. Remember, even computers have to be programmed with the right data to produce future times of ...

Peering into the past, we find that our ancestors held a surprisingly advanced understanding of the stars and constellations. Their knowledge, as revealed in ancient texts, often rivals our modern ...

More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping systems in the ancient world—a system that could predict solar eclipses for ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...

Here’s what you’ll learn when you read this story: Researchers using a synchrotron at the SLAC National Accelerator Laboratory have been able to recover pieces of the Hipparchus star catalog that had ...

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...

Prior to computer technology, how did astronomers so precisely predict solar eclipses?Kurt Petersen Sheboygan Falls, WI What a wonderful question! The simple answer is that they relied on centuries of ...