An international team of astronomers has made a great discovery. A nearby exoplanetary system has seven Earth-size planets!
The Astroholic in 60 Second – TRAPPIST-1 Has 7 Exoplanets
![The Astroholic in 60 Second – TRAPPIST-1 Has 7 Exoplanets](/_next/image?url=https%3A%2F%2Fimages.ctfassets.net%2F1y10qfnkymuh%2F6V90tChS5rbRtpAp7nNttb%2Fba19a403f640e72e8145281094d20df9%2Fmaxresdefault.jpg&w=3840&q=75)
22 February 2017
An international team of astronomers has made a great discovery. A nearby exoplanetary system has seven Earth-size planets!