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Could gravitational lensing be used to protect a spaceship from a laser?
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Could gravitational lensing be used to protect a spaceship from a laser?
How/would the distance from a planet to its star affect the strength of its gravitational pull?Could I manipulate gravity to make my spaceship move?What material should be used for a spaceship that doesn't need to re-enter?Explaining Stealthy Space WarfareCould natural armor plating protect a creature from radiation?Could an electromagnetic shield that keeps cosmic radiation work against a laser?Can electronic warfare be used to bring space combat into visual range and protect fighters/bombers?What light colors/bulbs should be used inside a spaceship?Locking an old spaceship from the outside?A system for transporting people from a spinning ring up a conduit to a spaceship
$begingroup$
Suppose Ship A is bro g targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A.
Ship A has special technology that allows it to alter gravity (mainly used for generating artificial gravity for the crew and to lessen the effects of inertia when changing direction), but this device also allows it to increase the gravitational pull of the ship, as if it had more mass.
If Ship B points it’s laser weapon directly at Ship A and fires, and Ship A created a gravity well (similarly to an interdictor from Star Wars), could the gravity produced by the ship shield it from the laser by redirecting it via gravitational lensing?
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
science-based spaceships gravity astrophysics
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
Suppose Ship A is bro g targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A.
Ship A has special technology that allows it to alter gravity (mainly used for generating artificial gravity for the crew and to lessen the effects of inertia when changing direction), but this device also allows it to increase the gravitational pull of the ship, as if it had more mass.
If Ship B points it’s laser weapon directly at Ship A and fires, and Ship A created a gravity well (similarly to an interdictor from Star Wars), could the gravity produced by the ship shield it from the laser by redirecting it via gravitational lensing?
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
science-based spaceships gravity astrophysics
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
2
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
1
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago
add a comment |
$begingroup$
Suppose Ship A is bro g targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A.
Ship A has special technology that allows it to alter gravity (mainly used for generating artificial gravity for the crew and to lessen the effects of inertia when changing direction), but this device also allows it to increase the gravitational pull of the ship, as if it had more mass.
If Ship B points it’s laser weapon directly at Ship A and fires, and Ship A created a gravity well (similarly to an interdictor from Star Wars), could the gravity produced by the ship shield it from the laser by redirecting it via gravitational lensing?
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
science-based spaceships gravity astrophysics
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
Suppose Ship A is bro g targeted by Ship B, which intends to use a laser weapon in an attempt to destroy Ship A.
Ship A has special technology that allows it to alter gravity (mainly used for generating artificial gravity for the crew and to lessen the effects of inertia when changing direction), but this device also allows it to increase the gravitational pull of the ship, as if it had more mass.
If Ship B points it’s laser weapon directly at Ship A and fires, and Ship A created a gravity well (similarly to an interdictor from Star Wars), could the gravity produced by the ship shield it from the laser by redirecting it via gravitational lensing?
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
science-based spaceships gravity astrophysics
science-based spaceships gravity astrophysics
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
Dan PetitDan Petit
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 hours ago
Dan PetitDan Petit
61
asked 4 hours ago
Dan PetitDan Petit
61
61
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Dan Petit is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
1
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago
add a comment |
2
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
1
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago
2
2
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
1
1
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago
add a comment |
3 Answers
3
active
oldest
votes
$begingroup$
There are several problems with this.
First of all, when someone fires a laser at you, you aren't going to know it until it hits you, so this would only work if Ship A were CONTINUOUSLY creating a gravity well in between itself and ship B. You couldn't use it reactively without letting it hit you first, although you could potentially limit the damage.
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
No, but in order to do this you'd have to be able to artificially CREATE a black hole, and a pretty massive one at that, in order to deflect a laser beam any meaningful distance. At that point it'd be simpler to just create the singularity right on top of Ship B and destroy it rather than mess around deflecting laser beams.
TLDR: If you can create a gravity field powerful enough to deflect a laser beam, you're so powerful you don't have to worry about deflecting laser beams.
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
$endgroup$
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
add a comment |
$begingroup$
Depends on the range and timing.
- Ship B tracks ship A with visual sensors. Ship A has this "gravity shield" running, so the apparent position of A will be distorted.
- Ship B fires a laser at the apparent position of A, and the laser beam is distorted the same way the detection is distorted. The laser hits the actual position of A.
What you describe might work if the distances are high enough to "re-focus" the "gravity shield" between firing and impact. In that case, wouldn't there be time for conventional evasive maneuvering? So your idea calls for long range combined with an inability to dodge. Even with gravity manipulation technology, does A require fuel or reaction mass? Or is it really large?
answered 4 hours ago
o.m.o.m.
62.8k791204
$endgroup$
add a comment |
$begingroup$
Gravity lensing works for light paths skimming the attractor. For light paths crossing the attractor the impact would not be avoided.
So, your device would simply deviate the laser passing around the ship, not the laser hitting in.
Basically, it would work on protecting the ship only if the enemy had a poor aiming.
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
$endgroup$
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
add a comment |
Your Answer
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
There are several problems with this.
First of all, when someone fires a laser at you, you aren't going to know it until it hits you, so this would only work if Ship A were CONTINUOUSLY creating a gravity well in between itself and ship B. You couldn't use it reactively without letting it hit you first, although you could potentially limit the damage.
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
No, but in order to do this you'd have to be able to artificially CREATE a black hole, and a pretty massive one at that, in order to deflect a laser beam any meaningful distance. At that point it'd be simpler to just create the singularity right on top of Ship B and destroy it rather than mess around deflecting laser beams.
TLDR: If you can create a gravity field powerful enough to deflect a laser beam, you're so powerful you don't have to worry about deflecting laser beams.
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
$endgroup$
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
add a comment |
$begingroup$
There are several problems with this.
First of all, when someone fires a laser at you, you aren't going to know it until it hits you, so this would only work if Ship A were CONTINUOUSLY creating a gravity well in between itself and ship B. You couldn't use it reactively without letting it hit you first, although you could potentially limit the damage.
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
No, but in order to do this you'd have to be able to artificially CREATE a black hole, and a pretty massive one at that, in order to deflect a laser beam any meaningful distance. At that point it'd be simpler to just create the singularity right on top of Ship B and destroy it rather than mess around deflecting laser beams.
TLDR: If you can create a gravity field powerful enough to deflect a laser beam, you're so powerful you don't have to worry about deflecting laser beams.
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
$endgroup$
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
add a comment |
$begingroup$
There are several problems with this.
First of all, when someone fires a laser at you, you aren't going to know it until it hits you, so this would only work if Ship A were CONTINUOUSLY creating a gravity well in between itself and ship B. You couldn't use it reactively without letting it hit you first, although you could potentially limit the damage.
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
No, but in order to do this you'd have to be able to artificially CREATE a black hole, and a pretty massive one at that, in order to deflect a laser beam any meaningful distance. At that point it'd be simpler to just create the singularity right on top of Ship B and destroy it rather than mess around deflecting laser beams.
TLDR: If you can create a gravity field powerful enough to deflect a laser beam, you're so powerful you don't have to worry about deflecting laser beams.
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
$endgroup$
There are several problems with this.
First of all, when someone fires a laser at you, you aren't going to know it until it hits you, so this would only work if Ship A were CONTINUOUSLY creating a gravity well in between itself and ship B. You couldn't use it reactively without letting it hit you first, although you could potentially limit the damage.
And if so, would using this trick inadvertently (on the captain’s part) turn Ship A into a black hole?
No, but in order to do this you'd have to be able to artificially CREATE a black hole, and a pretty massive one at that, in order to deflect a laser beam any meaningful distance. At that point it'd be simpler to just create the singularity right on top of Ship B and destroy it rather than mess around deflecting laser beams.
TLDR: If you can create a gravity field powerful enough to deflect a laser beam, you're so powerful you don't have to worry about deflecting laser beams.
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
answered 4 hours ago
Morris The CatMorris The Cat
3,679624
3,679624
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
add a comment |
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
This is an excellent example of deep exploration of the ramification of a fictional tech/power - "Tech X does Y... But if we explore it a little more it becomes obvious that doing Z with it instead is infinitely more useful..." Something many sci-fi and fantasy writers fail to do properly.
$endgroup$
– TheLuckless
4 hours ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
$begingroup$
What if you can create a black hole up to 10km away from your ship, but the enemy ship is firing its laser from 11km?
$endgroup$
– Display Name
38 mins ago
add a comment |
$begingroup$
Depends on the range and timing.
- Ship B tracks ship A with visual sensors. Ship A has this "gravity shield" running, so the apparent position of A will be distorted.
- Ship B fires a laser at the apparent position of A, and the laser beam is distorted the same way the detection is distorted. The laser hits the actual position of A.
What you describe might work if the distances are high enough to "re-focus" the "gravity shield" between firing and impact. In that case, wouldn't there be time for conventional evasive maneuvering? So your idea calls for long range combined with an inability to dodge. Even with gravity manipulation technology, does A require fuel or reaction mass? Or is it really large?
answered 4 hours ago
o.m.o.m.
62.8k791204
$endgroup$
add a comment |
$begingroup$
Depends on the range and timing.
- Ship B tracks ship A with visual sensors. Ship A has this "gravity shield" running, so the apparent position of A will be distorted.
- Ship B fires a laser at the apparent position of A, and the laser beam is distorted the same way the detection is distorted. The laser hits the actual position of A.
What you describe might work if the distances are high enough to "re-focus" the "gravity shield" between firing and impact. In that case, wouldn't there be time for conventional evasive maneuvering? So your idea calls for long range combined with an inability to dodge. Even with gravity manipulation technology, does A require fuel or reaction mass? Or is it really large?
answered 4 hours ago
o.m.o.m.
62.8k791204
$endgroup$
add a comment |
$begingroup$
Depends on the range and timing.
- Ship B tracks ship A with visual sensors. Ship A has this "gravity shield" running, so the apparent position of A will be distorted.
- Ship B fires a laser at the apparent position of A, and the laser beam is distorted the same way the detection is distorted. The laser hits the actual position of A.
What you describe might work if the distances are high enough to "re-focus" the "gravity shield" between firing and impact. In that case, wouldn't there be time for conventional evasive maneuvering? So your idea calls for long range combined with an inability to dodge. Even with gravity manipulation technology, does A require fuel or reaction mass? Or is it really large?
answered 4 hours ago
o.m.o.m.
62.8k791204
$endgroup$
Depends on the range and timing.
- Ship B tracks ship A with visual sensors. Ship A has this "gravity shield" running, so the apparent position of A will be distorted.
- Ship B fires a laser at the apparent position of A, and the laser beam is distorted the same way the detection is distorted. The laser hits the actual position of A.
What you describe might work if the distances are high enough to "re-focus" the "gravity shield" between firing and impact. In that case, wouldn't there be time for conventional evasive maneuvering? So your idea calls for long range combined with an inability to dodge. Even with gravity manipulation technology, does A require fuel or reaction mass? Or is it really large?
answered 4 hours ago
o.m.o.m.
62.8k791204
answered 4 hours ago
o.m.o.m.
62.8k791204
answered 4 hours ago
o.m.o.m.
62.8k791204
answered 4 hours ago
o.m.o.m.
62.8k791204
62.8k791204
add a comment |
add a comment |
$begingroup$
Gravity lensing works for light paths skimming the attractor. For light paths crossing the attractor the impact would not be avoided.
So, your device would simply deviate the laser passing around the ship, not the laser hitting in.
Basically, it would work on protecting the ship only if the enemy had a poor aiming.
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
$endgroup$
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
add a comment |
$begingroup$
Gravity lensing works for light paths skimming the attractor. For light paths crossing the attractor the impact would not be avoided.
So, your device would simply deviate the laser passing around the ship, not the laser hitting in.
Basically, it would work on protecting the ship only if the enemy had a poor aiming.
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
$endgroup$
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
add a comment |
$begingroup$
Gravity lensing works for light paths skimming the attractor. For light paths crossing the attractor the impact would not be avoided.
So, your device would simply deviate the laser passing around the ship, not the laser hitting in.
Basically, it would work on protecting the ship only if the enemy had a poor aiming.
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
$endgroup$
Gravity lensing works for light paths skimming the attractor. For light paths crossing the attractor the impact would not be avoided.
So, your device would simply deviate the laser passing around the ship, not the laser hitting in.
Basically, it would work on protecting the ship only if the enemy had a poor aiming.
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
answered 4 hours ago
L.Dutch♦L.Dutch
90.1k29209436
90.1k29209436
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
add a comment |
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
$begingroup$
You're really just objecting to his use of the term 'lensing' though. His idea would still WORK, you'd just put the attractor right next to the direct path between Ship A and Ship B; you would just call it gravitational deflection instead of lensing.
$endgroup$
– Morris The Cat
3 hours ago
add a comment |
Dan Petit is a new contributor. Be nice, and check out our Code of Conduct.
Dan Petit is a new contributor. Be nice, and check out our Code of Conduct.
Dan Petit is a new contributor. Be nice, and check out our Code of Conduct.
Dan Petit is a new contributor. Be nice, and check out our Code of Conduct.
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2
$begingroup$
The Impeller Wedges of David Weber's Honorverse work in this fashion to protect starships, but it's way outside the realm of "science-based", and more of a genre convention to make space battle tactics work the way Weber wanted.
$endgroup$
– notovny
4 hours ago
1
$begingroup$
Yes. If you have very large Black holes you can shift around your ship this is possible. Why you would fear a laser by that time is a different question
$endgroup$
– Demigan
3 hours ago