NASA’s astronaut application requirements have changed since the 1950s. The original Mercury 7s were chosen from a pool of 500 military candidates, while current applicants are selected based on education and training. Neil Armstrong was part of the second batch of candidates and had two degrees in aeronautical engineering. In June 2017, NASA selected 12 […]
NASA employs a planetary protection officer to ensure compliance with the 1967 International Outer Space Treaty, preventing biological contamination during missions. This includes sterilizing spacecraft and avoiding sites with potential life. The cost of sterilization can be up to $100 million. The National Aeronautics and Space Administration (NASA) employs nearly 18,000 civil service personnel, ranging […]
Mars missions have three phases: flybys, orbiters, and landers/rovers. As of 2009, orbiters and rovers are still active, collecting data on caves, glaciers, and salt deposits. Future missions include aerial views and subsurface explorations. Mars missions involved three basic phases. The most primitive were the initial fly missions. These were followed by orbiters and finally […]
