Twilight with clear sky over distant dark hills. A tiny white speck is in the sky, with an arrow and text label saying 'Earth'
You wouldn't think that small, distant #Mars could have an influence on Earth's #iceages. But scientists at the University of California Riverside are saying that small gravitational tugs from Mars help shape the cycles that drive long-term #climate patterns on #Earth. 🔴🌎🔭
buff.ly/ynCPe1n
📸 NASA.