Dark matter and energy may not exist?

Click For Summary
SUMMARY

The discussion centers on the hypothesis that dark matter and dark energy may not exist, challenging established cosmological models. Key points include the exploration of alternative theories that explain cosmic phenomena without invoking these concepts. The conversation references recent studies and theoretical frameworks that question the necessity of dark matter and energy in explaining the universe's expansion and structure.

PREREQUISITES
  • Understanding of cosmology and astrophysics
  • Familiarity with general relativity and its implications
  • Knowledge of observational evidence for dark matter and dark energy
  • Basic grasp of alternative theories in physics, such as Modified Newtonian Dynamics (MOND)
NEXT STEPS
  • Research the latest findings on Modified Gravity theories
  • Explore observational data from the Hubble Space Telescope regarding cosmic expansion
  • Study the implications of the Lambda Cold Dark Matter (ΛCDM) model
  • Investigate alternative models to dark matter and energy, such as emergent gravity
USEFUL FOR

Astronomers, physicists, and anyone interested in the fundamental questions of the universe's composition and the validity of current cosmological theories.

Astronomy news on Phys.org

Similar threads

Undergrad Is Dark Matter the Key to Understanding the Pre-Visible Universe?
  • · Replies 5 ·
Replies
5
Views
2K
High School What is dark matter?
  • · Replies 10 ·
Replies
10
Views
3K
High School Questions about dark matter/energy
  • · Replies 50 ·
2
Replies
50
Views
8K
Undergrad Galaxy collision separates dark matter from regular matter
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What does wobbling in BGC reveal about the nature of dark matter?
  • · Replies 7 ·
Replies
7
Views
2K
High School Wobbling galaxies: New evidence for dark matter
  • · Replies 1 ·
Replies
1
Views
2K
High School Could Dark Matter/Energy be the byproduct of annihilation?
  • · Replies 4 ·
Replies
4
Views
3K
Stargazing Dark matter and its effect on the orbit of stars
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad How Does Vera Rubin's Research Support the Existence of Dark Matter in Galaxies?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Distinguishing between the effects of dark matter and MOND
  • · Replies 40 ·
2
Replies
40
Views
5K