RT @SETIInstitute: Giant Impacts on Earth-Like Worlds: Study examines if Earth’s history is typical | @AASNova buff.ly/1rGf2gt https://t.co/8mewEodL5L
RT @SETIInstitute: Giant Impacts on Earth-Like Worlds: Study examines if Earth’s history is typical | @AASNova buff.ly/1rGf2gt https://t.co/8mewEodL5L