Space debris,Space pollution
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Space debris refers to defunct objects in Earth's orbit, including old satellites and rocket parts. There are over 500,000 pieces of debris floating in orbit, posing a collision threat. The amount of debris has created a "debris zone" surrounding Earth. As space activities continue, the debris population will grow, increasing risks to future spaceflights unless debris is actively removed.
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Space Waste Management
The document discusses space junk, which refers to debris left in Earth's orbit from space missions and satellite launches. There are estimated to be over 10 million pieces of space junk currently orbiting Earth, posing risks to active satellites and space stations. Collisions between space junk have increased the amount of debris and make future space missions more dangerous. Researchers are working on methods like laser removal to reduce space junk and mitigate the growing problem.
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This document presents a seminar on space debris given by Lokesh Parihar to Anurag Garg. It begins with an introduction defining space debris and its history. It then discusses the different types of orbits where debris can be found, such as low Earth orbit and geostationary orbit. The document outlines methods used to track and measure debris including radar, radio waves, and space telescopes. Potential methods to clear space debris are presented, including electrodynamic tethers, laser brooms, solar sails, space nets, and collector satellites. The conclusion emphasizes the importance of addressing the growing problem of space debris to enable continued development of space communication and exploration.
WHAT IS SPACE DEBRIS????
Space debris refers to non-functional human-made objects in space including defunct satellites, spent rocket stages, and other fragments. The amount of space debris has grown significantly over the past 50 years as space activity has increased. There are now over 25,000 pieces large enough to track that orbit the Earth. Collisions with space debris pose risks to both operational satellites and human spaceflight through damage. Potential solutions to the growing problem include deorbiting satellites at end of life, moving them to graveyard orbits, using tethers to remove objects, and developing active debris removal technologies. International cooperation will be needed to address this issue and ensure the future sustainability and safety of space activities.
Space Debris-PPT.pptx
Space debris refers to defunct human-made objects in space such as nonfunctional spacecraft, rocket stages, and fragments from explosions or collisions. There are over 128 million pieces smaller than 1 cm, around 900,000 between 1-10 cm, and about 34,000 larger than 10 cm currently orbiting Earth. The growing amount of space debris poses a risk to active satellites and spacecraft through collisions. Efforts are underway to track debris and develop guidelines to mitigate future debris, though anti-satellite tests by some countries continue adding to the problem.
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The document discusses space debris and present active debris removal techniques. It provides an introduction to space debris, describing the current debris situation and categories. It then discusses various active debris removal concepts and techniques being researched, such as solar sails, lasers, electrodynamic tethers, and capture vehicles. Some of the challenges to implementing effective debris removal are also outlined, such as the technical difficulties, costs, and need for international cooperation and policy.
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Presentation on Space pollution, the genesis of space debris, history, future implications, recent events, growing concern and threats.
It will be helpful for the students of science streams, disaster management courses.
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The document discusses space junk, which refers to debris left in Earth's orbit from space missions and satellite launches. There are estimated to be over 10 million pieces of space junk currently orbiting Earth, posing risks to active satellites and space stations. Collisions between space junk have increased the amount of debris and make future space missions more dangerous. Researchers are working on methods like laser removal to reduce space junk and mitigate the growing problem.
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This document presents a seminar on space debris given by Lokesh Parihar to Anurag Garg. It begins with an introduction defining space debris and its history. It then discusses the different types of orbits where debris can be found, such as low Earth orbit and geostationary orbit. The document outlines methods used to track and measure debris including radar, radio waves, and space telescopes. Potential methods to clear space debris are presented, including electrodynamic tethers, laser brooms, solar sails, space nets, and collector satellites. The conclusion emphasizes the importance of addressing the growing problem of space debris to enable continued development of space communication and exploration.
WHAT IS SPACE DEBRIS????
Space debris refers to non-functional human-made objects in space including defunct satellites, spent rocket stages, and other fragments. The amount of space debris has grown significantly over the past 50 years as space activity has increased. There are now over 25,000 pieces large enough to track that orbit the Earth. Collisions with space debris pose risks to both operational satellites and human spaceflight through damage. Potential solutions to the growing problem include deorbiting satellites at end of life, moving them to graveyard orbits, using tethers to remove objects, and developing active debris removal technologies. International cooperation will be needed to address this issue and ensure the future sustainability and safety of space activities.
Space Debris-PPT.pptx
Space debris refers to defunct human-made objects in space such as nonfunctional spacecraft, rocket stages, and fragments from explosions or collisions. There are over 128 million pieces smaller than 1 cm, around 900,000 between 1-10 cm, and about 34,000 larger than 10 cm currently orbiting Earth. The growing amount of space debris poses a risk to active satellites and spacecraft through collisions. Efforts are underway to track debris and develop guidelines to mitigate future debris, though anti-satellite tests by some countries continue adding to the problem.
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Presentation on Space pollution, the genesis of space debris, history, future implications, recent events, growing concern and threats.
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Space debris,Space pollution
- 1. Space Debris is a mix of either old or useless satellites in space. Space debris is also known as orbital debris, space junk, space waste, space trash, space litter or space garbage. The debris has actually made a “debris zone around the sphere. “When we go to the moon, or Mars, we have to go through this debris band. Space Debris
- 3. Amount of Debries: There are more than 500,000 pieces of junk floating around Earth’s orbit, including defunct satellites, rocket boosters, nuts and bolts, all of which pose a substantial threat to astronauts and spacecraft, according to U.S. space agency NASA. The European Space Agency said that as of January 2018, there are about 29,000 objects larger than 10 centimeters, around 750,000 objects that range between 1 cm to 10 cm and about 166 million objects between 1 millimeter to 1 cm in size.
- 4. There are 1100 active satellites There are about 2,600 ones that no longer work. Russia launched the first satellite, Sputnik 1, in 1957. The oldest one still in orbit, which is no longer functioning. Active and Inactive Satellite United Nations Office for Outer Space Affairs (UNOOSA)
- 5. According to UNOOSA 81 countries have launched satellites, although this is slightly complicated by the fact that satellites are also launched by institutions and organisations such as the European Space Agency. In terms of countries with the most satellites launched between 1966 and 2016 USA significantly leads the way with 859 satellites, China is second with 250 Russia third with 146 These are then followed by Japan (72) India (55) UK (52).
- 6. Purposes of the satellites are: Communications: 792 satellites Earth observation: 661 satellites Technology development/demonstration: 213 satellites Navigation/Positioning: 121 satellites Space science/observation: 76 satellites
- 7. NASA says that on average, one piece of junk falls to Earth every day. There is still no concrete solution to getting rid of it. Satellites that fly below a certain height are supposed to be put in an orbit that will make them fall to Earth and burn it. At high altitudes, they are to be boosted up to still higher orbits to get them out of the way. Solution: Old satellites can pose a risk for collisions with active ones, so there are rules and recommendations to avoid a buildup of junk in space.
- 8. Now it’s clear that very soon, we will need to start removing this debris from our atmosphere or the consequences will be serious. Conclusion