Undergrad Testing for dark energy using the Local Group

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SUMMARY

A group of astrophysicists has developed a method to measure the cosmological constant through the dynamics of the Local Group. This approach, detailed in the discussion titled "Constraining Dark Energy from Local Group dynamics," currently provides measurements that are five times less constraining than existing methods. However, researchers anticipate that advancements in this technique will soon enhance its precision, making it comparable to current measurement standards.

PREREQUISITES
  • Understanding of cosmological constants and dark energy
  • Familiarity with astrophysical dynamics and the Local Group
  • Knowledge of measurement techniques in astrophysics
  • Basic grasp of current dark energy research methodologies
NEXT STEPS
  • Research advancements in measuring the cosmological constant
  • Explore the dynamics of the Local Group in astrophysics
  • Investigate existing methods for constraining dark energy
  • Study the implications of dark energy on cosmic expansion
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Astrophysicists, cosmologists, and researchers focused on dark energy and cosmic dynamics will benefit from this discussion.

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Unfortunately, it is so far five times less constraining than other measures, but promises to improve to be comparable with existing measures soon.
 

Thread 'Galaxy MoM-z14 - furthest observed object'

https://en.wikipedia.org/wiki/MoM-z14 Any photon with energy above 24.6 eV is going to ionize any atom. K, L X-rays would certainly ionize atoms. https://www.scientificamerican.com/article/whats-the-most-distant-galaxy/ The James Webb Space Telescope has found the most distant galaxy ever seen, at the dawn of the cosmos. Again. https://www.skyatnightmagazine.com/news/webb-mom-z14 A Cosmic Miracle: A Remarkably Luminous Galaxy at zspec = 14.44 Confirmed with JWST...
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