Physics 1-3-17 1st March 2017NewsDeleted User Exoplanet discovery: seven Earth-sized worlds spotted orbiting nearby star | Science | The Guardian https://www.theguardian.com/science/2017/feb/22/thrilling-discovery-of-seven-earth-sized-planets-discovered-orbiting-trappist-1-star?utm_source=esp&utm_medium=Email&utm_campaign=GU+Today+main+NEW+H+categories&utm_term=214567&subid=17322110&CMP=EMCNEWEML6619I2