Trilobites: It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun Our planet’s elliptical orbit doesn’t affect winter or summer temperatures. But some astronomers wonder whether it’s a factor in why life survives. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:BIG ONE FEARS: Experts to drill into Indian earthquake hotspot sparking mega-quake alarmAustralia Seeks to Extend Commercial Fishing in Protected WatersWhich reality TV star 'holds key to global energy crisis' through nuclear fusion reactors?Something Strange in Usain Bolt’s StrideA Cheap Fix for Climate Change? Pay People Not to Chop Down TreesTrilobites: A Sensor on Your Skin That Looks and Feels Like a Temporary Tattoo