A wrinkle in the fabric of space-time by WHYY Public Media published on 2014/07/03 18:16:37 +0000 http://www.whyy.org/skytalk Orbital Carbon Observatory-2- now in orbit will help scientists better understand Earth's carbon cycle, identifying natural and manmade sources and sinks of CO2 with great precision. Atmospheric CO2 levels are up to 400 parts per million vs. 280 parts per million pre-industrial revolution. - Distant galaxy core found to contain 3 black holes - Should be causing gravity waves because closely orbiting black holes disturb the fabric of space-time. - Planets on Parade - Evening: Mars near Spica, Saturn half a degree from waxing crescent moon. Morning: at 5am Venus low in the east with Mercury below and left of Venus. Mercury reaching a high point over the weekend.