Trilobites: Why Trappist-1’s 7 Worlds Don’t Scatter: A Harmony Is at Work Astronomers can now explain why the recently discovered Earth-size planets, tightly packed, don’t simply fly apart. And now, you can give it a listen. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:David Thouless, 84, Dies; Nobel Laureate Cast Light on MatterSpaceX EXPLOSION: Latest NASA announcement good news for Musk and manned Moon missionThese Otters Are Popular Pets in Asia. That May Be Their Undoing.Global Wealth Gap Would Be Smaller Today Without Climate Change, Study FindsQ&A: Sea Sponges: Nature’s DisinfectantsA Leading Cause for Wrongful Convictions: Experts Overstating Forensic Results