What is the weather balloon for?

As a kind of lift-off equipment, balloon is the main tool for high-altitude observation. Compared with other launching equipment (aircraft, rockets, satellites, etc.). ), which has the characteristics of no power supply, low cost and convenient use. Weather balloons are widely used. According to different requirements, the shape, vertical speed (translation or landing), load, accessible height and color of weather balloons are varied.

Made of rubber or plastic, filled with gases lighter than air, such as hydrogen and helium. , and take off with instruments, observation platform for high-altitude meteorological observation. It has the characteristics of low price and no upward momentum. Meteorological balloons that are not connected to the ground are called free balloons, and balloons connected to the ground with cables are called tethered balloons. The material and size of balloons are determined by their use.