Results 1 to 4 of 4
Like Tree1Likes
  • 1 Post By Markus Hanke

Thread: Gravity as "negative" energy?

  1. #1 Gravity as "negative" energy? 
    Forum Professor Daecon's Avatar
    Join Date
    Jul 2013
    New Zealand
    I've recently been introduced to the idea of a "Zero-energy Universe" which states the total mass/energy of the physical matter in the Universe is a positive quantity that is exactly equal to the negative energy of gravity, leaving the overall total amount of energy in the Universe at zero.

    How well regarded is this idea? I've never heard of gravity being called negative energy before.

    Reply With Quote  


  3. #2  
    Moderator Moderator Markus Hanke's Avatar
    Join Date
    Nov 2011
    Quote Originally Posted by Daecon View Post
    How well regarded is this idea?
    While the concept is firmly rooted in mainstream physics, I would give the "zero-energy universe" the status of an hypothesis. It is not something that is taught in textbooks as current scientific consensus.

    dan hunter likes this.
    Reply With Quote  

  4. #3  
    Forum Cosmic Wizard
    Join Date
    Dec 2013
    Reply With Quote  

  5. #4  
    Forum Junior
    Join Date
    Feb 2014
    Hi Daecon,
    You can check this lecture about inflation by Alan Guth. In particular he explains why gravitational potential energy is negative.
    Inflationary Cosmology Guth ONE TWO - YouTube
    Reply With Quote  

Similar Threads

  1. Replies: 7
    Last Post: November 26th, 2013, 05:38 AM
  2. SPLIT : "Gravity repellent"‎
    By zouaoui messaoud in forum Personal Theories & Alternative Ideas
    Replies: 8
    Last Post: November 7th, 2013, 10:31 AM
  3. Replies: 0
    Last Post: April 13th, 2013, 03:12 PM
  4. Is "Cynic" usually considered a negative word?
    By Raziell in forum General Discussion
    Replies: 7
    Last Post: January 7th, 2010, 10:22 AM
  5. Why is "Heat" considered total kinetic energy in c
    By Raymond K in forum Chemistry
    Replies: 3
    Last Post: September 15th, 2008, 08:34 PM
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts