Spacecraft and Space Shuttle, Why it is not Shit plan for world People?

A spacecraft which is flying as like as a bird outer surface of earth and used as a vehicle. 

There are many spacecraft objectives such as look  earth, make a communication between earth and outer line of air space, search for new planetary, exilement human and transit cargo. Sputnik 1 which is flying to earth outer surface and it  is the first spacecraft in earth. In 1967 Russia start sent spacecraft in earth outer surface which is mainly target for Soviet. About one hundred spacecraft Russia fly in sky and also facilitation provide on  International Space Station.

                

United States fly their Space Shuttle more than Russia about 135 space Shuttle which start in 1981. And their Space Shuttle give facilitation to Spacelab. Before some era scientist use a spacecraft or space shuttle which is not reusable for this reason cost is much high. But developing of Spacecraft and Space Shuttle is now reused. There have some bad impact on environment when scientist use Spacecraft and Space Shuttle because it create huge amount of smoke which contain some poison gas such as CO₂. Air pollution rate is high. For this bad effect some one think it is shit plan and not good for world people. But scientist can not stop people query to know the unknown.

In whole world there have 24 countries spaceflight given bellow their name:

1. Indian Space Research Organization

2. China National Space Administration

3. In United States National Aeronautics and Space Administration ( NASA), Space X, U.S. Air Force

4. Japan Aerospace Exploration Agency

5. Russian Space Forces.