TESS Shows Ancient North Star Has Eclipses

Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have shown that Alpha Draconis, a well-studied star visible to the naked eye, and its fainter companion star regularly eclipse each other. While astronomers previously knew this was a binary system, the mutual eclipses came as a complete surprise. Read more: Credits: Chris Smith (USRA): Lead Producer Chris Smith (USRA): Lead Ani