RT @sydneyobs: Scientists find Earth-sized exoplanet close enough to study atmosphere – via @abcnews ab.co/1WTTBRI https://t.co/kmIWbCzJJu
RT @sydneyobs: Scientists find Earth-sized exoplanet close enough to study atmosphere – via @abcnews ab.co/1WTTBRI https://t.co/kmIWbCzJJu