Back in 2016, the first exoplanet discovery using the Transiting Planets and Planetesimals Small Telescope (TRAPPIST) was made. With 3 planets found, and 4 more later discovered, the system was designated TRAPPIST-1. And the best part – all the planets’ sizes and masses are close to the Earth’s! Such an abundance of Earth-sized planets has …
![Starfield, blue semi circle with bright star on left.](https://www.wcscheadsblog.co.uk/planetarium/wp-content/uploads/2020/04/World-Stars-1920x680-1.jpg)