Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping scientists understand Earth's rotation changes over thousands of years. They ...
Since twenty years, a large population of close-in planets orbiting various classes of low-mass stars (from M to A-type stars) has been discovered. In such systems, the dissipation of the kinetic ...
Observations of the sky recorded thousands of years ago continue to play a remarkable role in modern science, demonstrating that careful human observation has long-lasting value. One particularly ...