RT @AstronomyNow: Cosmologists show that universe is expanding uniformly astronomynow.com/2016/09/24/cos… https://t.co/Prk3Oto3aY
RT @AstronomyNow: Cosmologists show that universe is expanding uniformly astronomynow.com/2016/09/24/cos… https://t.co/Prk3Oto3aY