Converter type: area surface units. This online area surface from mm2, sq mm into m2, sq m converter is a handy tool not just for certified or experienced professionals. First unit: square millimeter (mm2, sq mm) is used for measuring area. Second: square meter (m2, sq m) is unit of area.
At 3:21 p.m. (EDT), NASA'S Juno Mission spacecraft will slingshot around Earth towards Jupiter, accelerating to 25 miles per second along the way and becoming the fastest man-made object in history. A .50-caliber bullet travels at about half a mile a second, by contrast -- nowhere near the blistering speed of Juno.
X-15 is the fastest plane in the world. Powered by a rocket engine, the X-15 is said to have reached speeds of Mach 6.85, or 4,520 miles per hour (7,274 kilometers per hour). Like the X-43, it too is launched mid-air from a B-52.