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How can we clean space junk?

January 22, 2023 By admin Leave a Comment

Space junk, also known as orbital debris, is a growing problem in our solar system. It refers to any man-made object in orbit around the Earth that no longer serves a useful purpose. This includes old satellites, rocket stages, and fragments of debris from collisions and explosions. With the increasing amount of space launches and the accumulation of debris, it becomes crucial to come up with efficient ways to clean space junk.

One potential solution is to use a combination of active and passive debris removal techniques. Active debris removal techniques involve physically capturing debris and bringing it back to Earth or to a higher orbit where it can burn up in the atmosphere. Passive debris removal techniques involve using natural forces such as atmospheric drag and solar radiation to slow down and deorbit debris.

One of the active techniques to remove debris is the use of a robotic arm or a net to capture debris. These technologies are still in the research and development stage, but they have the potential to effectively remove large pieces of debris from orbit. Another active method is the use of a laser to vaporize debris, which would eliminate the need to physically capture the debris.

Passive techniques include the use of drag sails, which increase the surface area of debris, causing it to slow down and eventually fall to Earth. Another method is to use a device that increases the atmospheric drag on debris, causing it to deorbit more quickly. This could be done by releasing a gas or deploying a large balloon to increase the drag on debris.

Another approach is to use space-based systems to track and monitor space debris. This would help to identify the location and trajectory of debris and could be used to predict potential collisions and plan for debris removal.

In addition to these technical solutions, there are also measures that can be taken to prevent space junk from accumulating in the first place. This includes designing spacecraft and launch vehicles to withstand collisions, and ensuring that old satellites are properly disposed of by deorbiting them at the end of their mission.

In conclusion, space junk is a growing problem in our solar system and it is crucial to find ways to clean it up. A combination of active and passive debris removal techniques, use of space-based systems, and preventive measures can help to effectively remove and prevent the accumulation of space junk. The international cooperation among countries and space agencies is also necessary to make sure that space debris are being monitored and cleaned up in a coordinated and efficient way.

Filed Under: News Tagged With: space junk

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