You need to add x1 and x2 then divide by two, then add y1 and y2
The biggest design innovation that SpaceX has pioneered is, of course, the fact that Dragon 2 is partially reusable, potentially resulting in a significant cost reduction. The first stage of the spacecraft is capable of re-entering the atmosphere and landing vertically after separating from the second stage.
Might include the Francophones of Canada ,the Amish religious enclaves of south-central Pennsylvania, Russia, and Middle East
Here are some 5 facts I find interesting
-Some people use the term lithosphere to describe the geosphere. Depending on the definition of geosphere (which is debated by scientists), lithosphere can mean the same thing.
-The geosphere includes everything that looks like solid ground, including the ocean floors, sand in the deserts, rocks, mountains and every bit of land or formation on the continents.
-Aristotle, the Greek philosopher who lived from 384 - 322 BC, considered the geosphere to include the motion of earth, water, fire, and air
-There are eight major tectonic plates making up the earth's geosphere. They are constantly moving, but usually only a few centimeters each year,
-Scientific study related to the earth's geosphere can be broken down into specific disciplines including those covered in geology, geography, geochemistry, geomorphology, geophysics, glaciology, mineralogy, petrology, and volcanology.
