How Did the Space Junk Stay in Orbit in Wall-E? [on hold]Why was Wall•E the only remaining Wall•E unit?In WALL•E, why does everyone get thrown when the Axiom suddenly lists?In Gravity, are the orbital mechanics of space debris plausible?In WALL•E, what kind of economy was used on the Axiom?Was the hyperdrive in WALL-E faster than the norm?Story ID - giant organic rotating space elevator lifts passengers to orbitHow can the people in the Axiom survive for 700 years?How well can xenomorphs survive the vacuum of space?Was the pea plant the first plant found in Wall-E?Why did the hover-chairs deploy oxygen masks when the captain activated the Holo-Detector and the passengers went to the Lido Deck?

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How Did the Space Junk Stay in Orbit in Wall-E? [on hold]


Why was Wall•E the only remaining Wall•E unit?In WALL•E, why does everyone get thrown when the Axiom suddenly lists?In Gravity, are the orbital mechanics of space debris plausible?In WALL•E, what kind of economy was used on the Axiom?Was the hyperdrive in WALL-E faster than the norm?Story ID - giant organic rotating space elevator lifts passengers to orbitHow can the people in the Axiom survive for 700 years?How well can xenomorphs survive the vacuum of space?Was the pea plant the first plant found in Wall-E?Why did the hover-chairs deploy oxygen masks when the captain activated the Holo-Detector and the passengers went to the Lido Deck?













4















In the Disney/Pixar film Wall-E, we see space junk practically covering Earth's atmosphere in orbit.............how? If it had been years, generations since man had been to Earth, shouldn't all of that debris eventually have fallen back to Earth? Thus Earth's atmosphere should be clear of ANYTHING? (the surface and oceans would be a royal mess, but above should be crystal clear I would think?)



Is this something I'm missing in orbital physics, or is this question better to just chalk up to the "it's a cartoon, it looked cool to Pixar" position?



See the inserted picture to see what I mean.
enter image description here



And a view from far away
enter image description here










share|improve this question













put on hold as off-topic by Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike 1 hour ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Questions seeking scientific solutions or explanations are off-topic unless related directly to a cited work of fiction. There are several other Stack Exchange sites dedicated to answering questions on non-fictional sciences. For more information, see What is our actual policy on science questions? on meta." – Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike
If this question can be reworded to fit the rules in the help center, please edit the question.











  • 3





    Questions about real-world orbital physics are not well suited to a site about science fiction

    – Valorum
    4 hours ago






  • 1





    Why is this on-topic? My flag as scientific solutions was declined without explanation

    – Stormblessed
    2 hours ago











  • It's asking in-universe answer?

    – Oni
    1 hour ago











  • @oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

    – Valorum
    1 hour ago















4















In the Disney/Pixar film Wall-E, we see space junk practically covering Earth's atmosphere in orbit.............how? If it had been years, generations since man had been to Earth, shouldn't all of that debris eventually have fallen back to Earth? Thus Earth's atmosphere should be clear of ANYTHING? (the surface and oceans would be a royal mess, but above should be crystal clear I would think?)



Is this something I'm missing in orbital physics, or is this question better to just chalk up to the "it's a cartoon, it looked cool to Pixar" position?



See the inserted picture to see what I mean.
enter image description here



And a view from far away
enter image description here










share|improve this question













put on hold as off-topic by Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike 1 hour ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Questions seeking scientific solutions or explanations are off-topic unless related directly to a cited work of fiction. There are several other Stack Exchange sites dedicated to answering questions on non-fictional sciences. For more information, see What is our actual policy on science questions? on meta." – Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike
If this question can be reworded to fit the rules in the help center, please edit the question.











  • 3





    Questions about real-world orbital physics are not well suited to a site about science fiction

    – Valorum
    4 hours ago






  • 1





    Why is this on-topic? My flag as scientific solutions was declined without explanation

    – Stormblessed
    2 hours ago











  • It's asking in-universe answer?

    – Oni
    1 hour ago











  • @oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

    – Valorum
    1 hour ago













4












4








4








In the Disney/Pixar film Wall-E, we see space junk practically covering Earth's atmosphere in orbit.............how? If it had been years, generations since man had been to Earth, shouldn't all of that debris eventually have fallen back to Earth? Thus Earth's atmosphere should be clear of ANYTHING? (the surface and oceans would be a royal mess, but above should be crystal clear I would think?)



Is this something I'm missing in orbital physics, or is this question better to just chalk up to the "it's a cartoon, it looked cool to Pixar" position?



See the inserted picture to see what I mean.
enter image description here



And a view from far away
enter image description here










share|improve this question














In the Disney/Pixar film Wall-E, we see space junk practically covering Earth's atmosphere in orbit.............how? If it had been years, generations since man had been to Earth, shouldn't all of that debris eventually have fallen back to Earth? Thus Earth's atmosphere should be clear of ANYTHING? (the surface and oceans would be a royal mess, but above should be crystal clear I would think?)



Is this something I'm missing in orbital physics, or is this question better to just chalk up to the "it's a cartoon, it looked cool to Pixar" position?



See the inserted picture to see what I mean.
enter image description here



And a view from far away
enter image description here







space physics wall-e






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 7 hours ago









MissouriSpartanMissouriSpartan

44510




44510




put on hold as off-topic by Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike 1 hour ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Questions seeking scientific solutions or explanations are off-topic unless related directly to a cited work of fiction. There are several other Stack Exchange sites dedicated to answering questions on non-fictional sciences. For more information, see What is our actual policy on science questions? on meta." – Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike
If this question can be reworded to fit the rules in the help center, please edit the question.







put on hold as off-topic by Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike 1 hour ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Questions seeking scientific solutions or explanations are off-topic unless related directly to a cited work of fiction. There are several other Stack Exchange sites dedicated to answering questions on non-fictional sciences. For more information, see What is our actual policy on science questions? on meta." – Vanguard3000, Valorum, Adamant, Organic Marble, KutuluMike
If this question can be reworded to fit the rules in the help center, please edit the question.







  • 3





    Questions about real-world orbital physics are not well suited to a site about science fiction

    – Valorum
    4 hours ago






  • 1





    Why is this on-topic? My flag as scientific solutions was declined without explanation

    – Stormblessed
    2 hours ago











  • It's asking in-universe answer?

    – Oni
    1 hour ago











  • @oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

    – Valorum
    1 hour ago












  • 3





    Questions about real-world orbital physics are not well suited to a site about science fiction

    – Valorum
    4 hours ago






  • 1





    Why is this on-topic? My flag as scientific solutions was declined without explanation

    – Stormblessed
    2 hours ago











  • It's asking in-universe answer?

    – Oni
    1 hour ago











  • @oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

    – Valorum
    1 hour ago







3




3





Questions about real-world orbital physics are not well suited to a site about science fiction

– Valorum
4 hours ago





Questions about real-world orbital physics are not well suited to a site about science fiction

– Valorum
4 hours ago




1




1





Why is this on-topic? My flag as scientific solutions was declined without explanation

– Stormblessed
2 hours ago





Why is this on-topic? My flag as scientific solutions was declined without explanation

– Stormblessed
2 hours ago













It's asking in-universe answer?

– Oni
1 hour ago





It's asking in-universe answer?

– Oni
1 hour ago













@oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

– Valorum
1 hour ago





@oni - No, at best it's pointing out a mild scientific inaccuracy in a film for children

– Valorum
1 hour ago










2 Answers
2






active

oldest

votes


















7














In low Earth orbit 2,000 km, orbital debris circle the Earth at speeds of between 7 to 8 km/s, when orbital debris collide with other orbital debris its create more orbital debris.



Eventually debris will fall to earth and will burn.




How long will orbital debris remain in Earth orbit?




The higher the altitude, the longer the orbital debris will typically remain in Earth orbit. Debris left in orbits below 600 km (370 miles) normally fall back to Earth within several years. At altitudes of 800 km (500 miles), the time for orbital decay is often measured in decades. Above 1,000 km (620 miles), orbital debris normally will continue circling Earth for a century or more. from NASA








share|improve this answer




















  • 1





    Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

    – DavidW
    6 hours ago











  • Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

    – Oni
    1 hour ago


















-1














Edit: As pointed out by HorusKol, a high density of debris is visible at a distance of no more than 2000 km from the surface. So the debris is probably in low Earth orbit and is certainly not near geostationary orbit. However, this doesn't make the situation depicted impossible (although the density of junk depicted in the first image might be). Given that orbits that slowly decay on any timescale can be constructed, we can construct an explanation of the debris field depicted. Maybe there were several large space stations whose orbit has been decaying over the past 500 years and started a Kessler syndrome event in the last few decades.



To expand on Oni's answer, in much higher orbits, including geostationary orbit, objects can stay in orbit for millions or billions of years. As you get farther from the Earth, the atmosphere becomes exponentially thinner, to the point that particles coming from the Sun are more common than Earth-bound air molecules.




In higher orbits particularly out towards sort of 36 000 kilometres – what we’d call a geostationary orbit – in principle, they could stay up there forever. The orbit will tend to shift over time but it will stay orbiting the Earth in the same way that the Moon still orbits the Earth after millions of years. New Zealand Government Science Learning Hub







share|improve this answer

























  • The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

    – HorusKol
    1 hour ago











  • @HorusKol Good point.

    – WaterMolecule
    1 hour ago

















2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









7














In low Earth orbit 2,000 km, orbital debris circle the Earth at speeds of between 7 to 8 km/s, when orbital debris collide with other orbital debris its create more orbital debris.



Eventually debris will fall to earth and will burn.




How long will orbital debris remain in Earth orbit?




The higher the altitude, the longer the orbital debris will typically remain in Earth orbit. Debris left in orbits below 600 km (370 miles) normally fall back to Earth within several years. At altitudes of 800 km (500 miles), the time for orbital decay is often measured in decades. Above 1,000 km (620 miles), orbital debris normally will continue circling Earth for a century or more. from NASA








share|improve this answer




















  • 1





    Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

    – DavidW
    6 hours ago











  • Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

    – Oni
    1 hour ago















7














In low Earth orbit 2,000 km, orbital debris circle the Earth at speeds of between 7 to 8 km/s, when orbital debris collide with other orbital debris its create more orbital debris.



Eventually debris will fall to earth and will burn.




How long will orbital debris remain in Earth orbit?




The higher the altitude, the longer the orbital debris will typically remain in Earth orbit. Debris left in orbits below 600 km (370 miles) normally fall back to Earth within several years. At altitudes of 800 km (500 miles), the time for orbital decay is often measured in decades. Above 1,000 km (620 miles), orbital debris normally will continue circling Earth for a century or more. from NASA








share|improve this answer




















  • 1





    Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

    – DavidW
    6 hours ago











  • Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

    – Oni
    1 hour ago













7












7








7







In low Earth orbit 2,000 km, orbital debris circle the Earth at speeds of between 7 to 8 km/s, when orbital debris collide with other orbital debris its create more orbital debris.



Eventually debris will fall to earth and will burn.




How long will orbital debris remain in Earth orbit?




The higher the altitude, the longer the orbital debris will typically remain in Earth orbit. Debris left in orbits below 600 km (370 miles) normally fall back to Earth within several years. At altitudes of 800 km (500 miles), the time for orbital decay is often measured in decades. Above 1,000 km (620 miles), orbital debris normally will continue circling Earth for a century or more. from NASA








share|improve this answer















In low Earth orbit 2,000 km, orbital debris circle the Earth at speeds of between 7 to 8 km/s, when orbital debris collide with other orbital debris its create more orbital debris.



Eventually debris will fall to earth and will burn.




How long will orbital debris remain in Earth orbit?




The higher the altitude, the longer the orbital debris will typically remain in Earth orbit. Debris left in orbits below 600 km (370 miles) normally fall back to Earth within several years. At altitudes of 800 km (500 miles), the time for orbital decay is often measured in decades. Above 1,000 km (620 miles), orbital debris normally will continue circling Earth for a century or more. from NASA









share|improve this answer














share|improve this answer



share|improve this answer








edited 6 hours ago

























answered 6 hours ago









OniOni

517216




517216







  • 1





    Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

    – DavidW
    6 hours ago











  • Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

    – Oni
    1 hour ago












  • 1





    Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

    – DavidW
    6 hours ago











  • Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

    – Oni
    1 hour ago







1




1





Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

– DavidW
6 hours ago





Considering that the movie takes place approximately 700 years after Earth was abandoned, all that space junk should have de-orbited long since, unless there was a continuous supply of more material from somewhere.

– DavidW
6 hours ago













Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

– Oni
1 hour ago





Like @watermolecule said; higher the orbital debris is, longer it takes to fall back to Earth.

– Oni
1 hour ago













-1














Edit: As pointed out by HorusKol, a high density of debris is visible at a distance of no more than 2000 km from the surface. So the debris is probably in low Earth orbit and is certainly not near geostationary orbit. However, this doesn't make the situation depicted impossible (although the density of junk depicted in the first image might be). Given that orbits that slowly decay on any timescale can be constructed, we can construct an explanation of the debris field depicted. Maybe there were several large space stations whose orbit has been decaying over the past 500 years and started a Kessler syndrome event in the last few decades.



To expand on Oni's answer, in much higher orbits, including geostationary orbit, objects can stay in orbit for millions or billions of years. As you get farther from the Earth, the atmosphere becomes exponentially thinner, to the point that particles coming from the Sun are more common than Earth-bound air molecules.




In higher orbits particularly out towards sort of 36 000 kilometres – what we’d call a geostationary orbit – in principle, they could stay up there forever. The orbit will tend to shift over time but it will stay orbiting the Earth in the same way that the Moon still orbits the Earth after millions of years. New Zealand Government Science Learning Hub







share|improve this answer

























  • The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

    – HorusKol
    1 hour ago











  • @HorusKol Good point.

    – WaterMolecule
    1 hour ago















-1














Edit: As pointed out by HorusKol, a high density of debris is visible at a distance of no more than 2000 km from the surface. So the debris is probably in low Earth orbit and is certainly not near geostationary orbit. However, this doesn't make the situation depicted impossible (although the density of junk depicted in the first image might be). Given that orbits that slowly decay on any timescale can be constructed, we can construct an explanation of the debris field depicted. Maybe there were several large space stations whose orbit has been decaying over the past 500 years and started a Kessler syndrome event in the last few decades.



To expand on Oni's answer, in much higher orbits, including geostationary orbit, objects can stay in orbit for millions or billions of years. As you get farther from the Earth, the atmosphere becomes exponentially thinner, to the point that particles coming from the Sun are more common than Earth-bound air molecules.




In higher orbits particularly out towards sort of 36 000 kilometres – what we’d call a geostationary orbit – in principle, they could stay up there forever. The orbit will tend to shift over time but it will stay orbiting the Earth in the same way that the Moon still orbits the Earth after millions of years. New Zealand Government Science Learning Hub







share|improve this answer

























  • The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

    – HorusKol
    1 hour ago











  • @HorusKol Good point.

    – WaterMolecule
    1 hour ago













-1












-1








-1







Edit: As pointed out by HorusKol, a high density of debris is visible at a distance of no more than 2000 km from the surface. So the debris is probably in low Earth orbit and is certainly not near geostationary orbit. However, this doesn't make the situation depicted impossible (although the density of junk depicted in the first image might be). Given that orbits that slowly decay on any timescale can be constructed, we can construct an explanation of the debris field depicted. Maybe there were several large space stations whose orbit has been decaying over the past 500 years and started a Kessler syndrome event in the last few decades.



To expand on Oni's answer, in much higher orbits, including geostationary orbit, objects can stay in orbit for millions or billions of years. As you get farther from the Earth, the atmosphere becomes exponentially thinner, to the point that particles coming from the Sun are more common than Earth-bound air molecules.




In higher orbits particularly out towards sort of 36 000 kilometres – what we’d call a geostationary orbit – in principle, they could stay up there forever. The orbit will tend to shift over time but it will stay orbiting the Earth in the same way that the Moon still orbits the Earth after millions of years. New Zealand Government Science Learning Hub







share|improve this answer















Edit: As pointed out by HorusKol, a high density of debris is visible at a distance of no more than 2000 km from the surface. So the debris is probably in low Earth orbit and is certainly not near geostationary orbit. However, this doesn't make the situation depicted impossible (although the density of junk depicted in the first image might be). Given that orbits that slowly decay on any timescale can be constructed, we can construct an explanation of the debris field depicted. Maybe there were several large space stations whose orbit has been decaying over the past 500 years and started a Kessler syndrome event in the last few decades.



To expand on Oni's answer, in much higher orbits, including geostationary orbit, objects can stay in orbit for millions or billions of years. As you get farther from the Earth, the atmosphere becomes exponentially thinner, to the point that particles coming from the Sun are more common than Earth-bound air molecules.




In higher orbits particularly out towards sort of 36 000 kilometres – what we’d call a geostationary orbit – in principle, they could stay up there forever. The orbit will tend to shift over time but it will stay orbiting the Earth in the same way that the Moon still orbits the Earth after millions of years. New Zealand Government Science Learning Hub








share|improve this answer














share|improve this answer



share|improve this answer








edited 1 hour ago

























answered 2 hours ago









WaterMoleculeWaterMolecule

82916




82916












  • The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

    – HorusKol
    1 hour ago











  • @HorusKol Good point.

    – WaterMolecule
    1 hour ago

















  • The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

    – HorusKol
    1 hour ago











  • @HorusKol Good point.

    – WaterMolecule
    1 hour ago
















The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

– HorusKol
1 hour ago





The Earth is 12,000 km in diameter. We can see that the debris field is a lot closer than geostationary orbit.

– HorusKol
1 hour ago













@HorusKol Good point.

– WaterMolecule
1 hour ago





@HorusKol Good point.

– WaterMolecule
1 hour ago



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