Does Gravity Affect Nuclear Reactions in Space?

  • Context: Undergrad 
  • Thread starter Thread starter comsat
  • Start date Start date
  • Tags Tags
    Nuke Space
Click For Summary

Discussion Overview

The discussion centers on whether gravity affects nuclear reactions, specifically fission and fusion, in a zero-gravity environment. Participants explore the implications of gravitational forces on nuclear chain reactions and the conditions necessary for these reactions to occur.

Discussion Character

  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant questions if zero gravity would make a nuclear chain reaction impossible.
  • Another participant asserts that gravity has virtually no effect on nuclear reactions, stating that gravitational forces are significantly weaker than the nuclear and electrostatic forces involved.
  • A participant references historical nuclear tests conducted in space, suggesting that gravity's role may not be as impactful as presumed.
  • It is noted that the chain reaction in fission relies on neutrons colliding with atomic nuclei, which is independent of gravity.
  • In fusion, the necessary high temperatures for nuclei to collide and fuse are also stated to be unaffected by gravity.

Areas of Agreement / Disagreement

Participants express differing views on the role of gravity in nuclear reactions, with some arguing it has no significant impact while others question the implications of zero gravity on these processes. The discussion remains unresolved with multiple competing perspectives.

Contextual Notes

Participants have not fully explored the assumptions underlying their claims, such as the specific conditions required for nuclear reactions in varying gravitational fields.

comsat
Messages
1
Reaction score
0
Will zero gravity effect the fission and fusion of the atoms making a chain reaction impossibile
 
Astronomy news on Phys.org
No.



.
 
Borek said:
No.



.
Clarification: Answer to the question in the title: Yes. Answer to the question in the post: No.
 
comsat said:
Will zero gravity effect the fission and fusion of the atoms making a chain reaction impossibile

The presence or absence of a gravitational potential field has virtually no effect on the progress of nuclear reactions, because the gravitational force is so many times weaker than nuclear forces that cause an explosion and the electrostatic forces that hold the device together.
 
chain reaction (fission) is dependent on the neutrons hitting the nucleus of the atoms then producing more neutrons, nothing 2 do with gravity...

chain reaction in fusion is dependent on high temperature (high kinetic energy) of the nucleus so they collide so hard that they fuse together... so also nothing 2 do with gravity...
 

Similar threads

Undergrad Why Does Gravity Remain when Star Mass Dissipates?
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad How 'Messy' are Fusion Reaction Chains in Stars?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate What Are the Future Strategies for Space Exploration and Colonization?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Nuclear reactions in the Sun and other topics on stars
  • · Replies 49 ·
2
Replies
49
Views
6K
Undergrad How Does Gravity Affect Spectral Line Strength?
  • · Replies 2 ·
Replies
2
Views
2K
High School Could singularities be just rips in the space-time fabric?
  • · Replies 23 ·
Replies
23
Views
6K
Undergrad Can Neutron-X Fusion Reactions Overcome the Repulsion Problem in Fusion Energy?
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad How Does Space Travel Affect Natural Aging?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How does gravitational self-interaction affect the Milky Way Galaxy?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Does the expansion of the Universe heat stars and bodies?
  • · Replies 13 ·
Replies
13
Views
3K