What is space junk – how is this a hazard to space flight? 2. NASA and other space agencies track space junk
1 What is space junk – how is this a hazard to space flight? 2. NASA and other space agencies track space junk – how many individual objects do theytrack? Are there objects they cannot track?3. Have there been any debilitating collisions with space junk- if so identify these incidents4. What is the process is known as collisional cascading, or the Kessler effect ?5. Private companies are currently the largest supplier of rockets and satellites – do theyhave any legal responsibility to limit space junk?In 1987 the World Commission on Environment and Development defined sustainabledevelopment as meeting the needs of the present generation without compromising theability of future generations to meet their needs.6. Is our access to space becoming more or less sustainable? Does it matter?7. What would change in our world without the ability to use satellites and the ability toput them or ourselves into space?
