NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.
NASA Telescope Reveals Record-Breaking Exoplanet Discovery 
Added 2 years ago by Édouard Urcades
Show info
NASA Telescope Reveals Record-Breaking Exoplanet Discovery 
Info
NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.
1 Connection