What if a black hole had a negative size ?

Click For Summary

Discussion Overview

The discussion centers around the hypothetical concept of a "negative black hole" and its implications, particularly regarding its size and the nature of energy interactions. Participants explore the mathematical underpinnings and physical interpretations of black holes, questioning the coherence of the initial premise.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • Some participants propose that if a black hole can "suck everything in down to nothing," then a hypothetical negative black hole might have an increasing size, though this is not clearly defined.
  • Others challenge the coherence of the terms "negative size" and "negative black hole," suggesting that the initial statements do not form a meaningful argument.
  • A participant mentions that black holes compress incoming matter into a denser object, which may increase their mass, contradicting the idea of decreasing size.
  • There is confusion about the concept of black holes "sucking in negative energy," with some participants questioning what happens to positive energy in this context.
  • Several participants express the need for more foundational understanding of black holes before engaging in such discussions.

Areas of Agreement / Disagreement

Participants generally disagree on the validity and clarity of the initial premise regarding negative black holes, with no consensus on the definitions or implications presented.

Contextual Notes

Limitations include a lack of clear definitions for "negative black hole" and "negative size," as well as unresolved mathematical interpretations related to energy interactions.

Who May Find This Useful

Individuals interested in theoretical physics, black hole properties, and the conceptual challenges in discussing advanced topics in astrophysics may find this discussion relevant.

modaly
Messages
4
Reaction score
0
If maths tells us 1 * -1 = -1

and it takes a positive cell to repel a positive cell ...

could in theory a negative black hole never be reversed ?
 
Physics news on Phys.org
What? None of this makes sense.
 
modaly said:
If maths tells us 1 * -1 = -1

and it takes a positive cell to repel a positive cell ...

could in theory a negative black hole never be reversed ?

What do you mean by "reversed"?
 
What i mean is if a black hole suck everything in down to nothing then that size is decreasing

What if in theory a negative black hole existed and was sucking everything in would its size increase or decrease ??
 
modaly said:
What i mean is if a black hole suck everything in down to nothing then that size is decreasing

What if in theory a negative black hole existed and was sucking everything in would its size increase or decrease ??

I have to agree w/ penguin ... you seem to be just stringing together words in ways that don't make any sense.

What do you mean by "negative size"

What do you mean by "negative black hole"

I understand all the words you have used but when put together in that order, they don't seem to add up to anything meaningful.

By the way, since you are new to the forum, let me add that comments such as the one I just made are not intended to be rude. Folks here just tend to call things the way they see them.
 
Last edited:
1 -1 = 0? Oh nevermind
1*( -1) = -1

I think the mathematics for this discussion might be a bit more sophisticated than that though?
 
modaly said:
What i mean is if a black hole suck everything in down to nothing then that size is decreasing

What if in theory a negative black hole existed and was sucking everything in would its size increase or decrease ??

To my knowledge, a black hole does not "suck everything in down to nothing". It merely takes the matter coming in through the event horizon and compresses it into a denser object and breaking down its fundamental particles, therefore increasing in mass (i believe).
 
oh sorry i should look up thing before posting

i didnt know black holes suck in negative energy.

so what happens to all the positive energy.
 
A quick suggestion - there are several other threads that discuss properties of black holes you might enjoy reading.
 
  • #10
modaly said:
oh sorry i should look up thing before posting

i didnt know black holes suck in negative energy.

so what happens to all the positive energy.

You continue to make no sense at all.

What do you think you mean when you say it sucks in negative energy.

You REALLY need to read more about black holes before posting any more about them
 
  • #11
A quick search of "black holes" (drop down) at the top of this page will provide several choices.
 
  • #12
Which is a good time to end this thread.
 

Similar threads

Undergrad Black hole questions
  • · Replies 29 ·
Replies
29
Views
1K
Undergrad Looking closely at the descent into a black hole
  • · Replies 51 ·
2
Replies
51
Views
2K
Undergrad How Does Mass Loss from Black Hole Mergers Affect Orbits?
  • · Replies 13 ·
Replies
13
Views
2K
High School Can we see 2 black holes orbiting each other?
  • · Replies 57 ·
2
Replies
57
Views
4K
High School How do Black Holes Grow? A Far-Away Observer's Perspective
  • · Replies 67 ·
3
Replies
67
Views
6K
Undergrad I don't see how a black hole's event horizon can be crossed
  • · Replies 73 ·
3
Replies
73
Views
4K
Graduate Negative energy in Hawking radiation
  • · Replies 1 ·
Replies
1
Views
1K
High School A question about quarks and black holes
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Escape from Two Black Holes? Solve the Mystery!
  • · Replies 2 ·
Replies
2
Views
2K
High School Theories about light and time near a black hole
  • · Replies 20 ·
Replies
20
Views
3K