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.
X43A Scramjet - 7,500 mph. It is the world's fastest air breathing engine vehicle and is pilotless. The record was set on 11/16/2004 when the X-43A was launched by a booster rocket at 40,000 feet from a B-52. At an altitude of 110,000 feet it reached top speed for about 11 seconds, officially Mach 10.