Alpha Draconis (IMAGE)

NASA/Goddard Space Flight Center

Alpha Draconis

Caption

The star Alpha Draconis (circled), also known as Thuban, has long been known to be a binary system. Now data from NASA's TESS show its two stars undergo mutual eclipses.

Credit

NASA/MIT/TESS

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.