The average density of Earth is 5,515 kg/m3. Because the average density of surface material is only around 3,000 kg/m3, we must conclude that denser materials exist within Earth's core.
Republic of Texas Biker Rally. Motorcycles parked under the Texas Capitol building in 2006. The Republic of Texas Biker Rally (R. O. T Biker Rally) is the largest motorcycle rally in Texas and the largest turnstile (ticketed admission) motorcycle rally in the United States. Similar events in Sturgis, South Dakota, and Daytona Beach, Florida, draw more attendees, but they are not ticketed events.
77th Rally Begins in. The SturgisÂ® Motorcycle Rallyâ¢ is the world's largest motorcycle rally and even if you can't make the trip, make sure to check out the excitement and energy of the Rally and downtown Sturgis via our web cameras. Our webcams capture Sturgis year round and are strategically placed to give you a bird's eye view of everything going on in Sturgis.