Can a spaceship land on a pulsar?

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    Pulsar Spaceship
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Discussion Overview

The discussion centers around the feasibility of landing a spaceship on a pulsar, particularly considering the effects of the pulsar's rotation, magnetic fields, and extreme environmental conditions. Participants explore theoretical implications and practical challenges associated with such a scenario.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant questions the effects of a pulsar rotating at a significant fraction of the speed of light on landing capabilities.
  • Another participant argues against the possibility of landing due to the strong magnetic fields and extreme surface conditions, including high temperature and gravity.
  • A participant suggests that if an object's rotational speed exceeds its escape velocity, landing becomes impossible, raising questions about the structural integrity of such objects.
  • There is a proposal that landing at the poles might be feasible despite high rotational speeds, although this is met with skepticism regarding the overall conditions.
  • Concerns are raised about the potential destruction of a spacecraft upon landing due to velocity differences between the pulsar's surface and the spacecraft.
  • A participant humorously notes that while landing might be possible, taking off again presents significant challenges.
  • Another participant emphasizes the lethal conditions of a pulsar's environment, suggesting that survival during landing would be impossible.

Areas of Agreement / Disagreement

Participants generally disagree on the feasibility of landing on a pulsar, with multiple competing views regarding the effects of rotation, environmental hazards, and potential landing strategies. The discussion remains unresolved.

Contextual Notes

Participants express uncertainty regarding the structural limits of materials under extreme conditions and the implications of rotational dynamics on landing strategies. The discussion does not resolve the mathematical or physical principles involved.

bostonnew
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For example if the pulsar is rotating with a fourth of the speed of light?

Or more generally, what effect does the rotation of an object have when it comes to landing on it?

Thanks
 
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no.
There are a couple of problems. Firstly the exposure to the strong rapidly changing magnetic field would play havoc with your electric guiding systems etc. Even getting close is going to be a problem.
Landing is problematic because of the density and temperature. The surface temperature is still about 1 million kelvin, while the gravity at the surface is about 10^11 times that of Earth.
 
bostonnew said:
Or more generally, what effect does the rotation of an object have when it comes to landing on it?
It is theoretically possible for an object's rotational speed to exceed its escape velocity, rendering it impossible to land on.

Here's the problem though: the object's outer layers itself will be experiencing that same effect. Its surface will tear off. What natural object is so rigid that its own surface can withstand an upward force exceeding escape velocity?
 
DaveC426913 said:
It is theoretically possible for an object's rotational speed to exceed its escape velocity, rendering it impossible to land on.

Wouldn't that simply mean you had to land someplace other then the equator? It seems like you could land on the pole no matter how fast it was spinning.
 
mrspeedybob said:
Wouldn't that simply mean you had to land someplace other then the equator? It seems like you could land on the pole no matter how fast it was spinning.
Uh well. There's that... :redface:
 
Land? No problem!

Take off again? Well, what were you planning on building your spacecraft out of?
 
Wouldn't your ship be ripped apart as soon as it touches down by the massive difference in velocity between a rotating neutron star and a landing ship that isn't following the surface rotation?
 
mrspeedybob said:
Wouldn't that simply mean you had to land someplace other then the equator? It seems like you could land on the pole no matter how fast it was spinning.

I think you missed the point of post #2. You would be fried WAY beyond crispy and you would be squashed to a thin paste while that was happening.
 

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