Astronomers Detect 10- Billion Year Old Multiplanet System

NASA's TESS mission (Transiting Exoplanet Survey Satellite) has discovered a system with three transiting exoplanets — including an ultra-short-period super Earth — around TOI-561, one of the oldest stars in our Milky Way Galaxy.

  • TOI-561 is a bright star located 280.5 light-years away in the constellation of Sextans.
  • The star is approximately 10 billion years old, and has a mass and size about 80% that of the Sun.
  • TOI-561 hosts at least three small transiting planets, named TOI-561b, c, and d, and is one of the oldest, most metal-poor planetary systems discovered yet in the Milky Way.

TOI-561b

  • Referred to as an ....
Do You Want to Read More?
Subscribe Now
To get access to detailed content
Buy March 2021 Issue

Already a Member? Login here

Take Annual Subscription and get the following Advantage
The annual members of the Civil Services Chronicle can read the monthly content of the magazine as well as the Chronicle magazine archives.
Readers can study all the material before the last six months of the Civil Services Chronicle monthly issue in the form of Chronicle magazine archives.
Be an Annual Subscriber

Related Content

Science & Technology