RT @AstronomyNow: NASA’s planet-hunting Kepler space telescope in emergency mode. astronomynow.com/2016/04/10/kep… https://t.co/HtfLlhSv5y
RT @AstronomyNow: NASA’s planet-hunting Kepler space telescope in emergency mode. astronomynow.com/2016/04/10/kep… https://t.co/HtfLlhSv5y