It takes 687 days for Mars to orbit the Sun, which is 1.88 Earth years. 1.88 x 1.88 = 3.5378 which has a cube root of 1.5237 meaning that on average Mars is 1.5237 times the Earth's average distance from the Sun.
boulder definition: The definition of a boulder is a large, smooth rock. (noun) When you build a retaining wall and use a large rock in the wall, this rock is an example of a boulder. A rock that has been detached from the earth by erosion or for ot...
Bouldering is a form of rock climbing which takes place on large boulders and other small rock formations, usually measuring less than 20 feet (6.1 m) from ground to top, but in some cases can measure up to 30+ ft. Unlike top rope climbing and lead climbing, no ropes are used to protect or aid the climber.