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Top 2 monthly notices of the royal astronomical society News Today

#1
New Evidence For An As Yet Undiscovered Planet Beyond Neptune Has Been Published, And Researchers Expect To Be Able To Confirm Its Existence Within A Few Years
#1 out of 2562.0 est. views53.19%
9h ago

New Evidence For An As Yet Undiscovered Planet Beyond Neptune Has Been Published, And Researchers Expect To Be Able To Confirm Its Existence Within A Few Years

  • Latest evidence from trans-Neptunian observations suggests a warp in the Kuiper belt, hinting at a distant planet.
  • Researchers estimate a planet between Mercury and Earth could exist 100–200 AU from the Sun.
  • The supposed Planet Y could be detectable by LSST if within the Rubin Observatory’s footprint.
  • The research is published on arXiv and accepted by the Monthly Notices of the Royal Astronomical Society.
  • Planet Y's location would place it well beyond Neptune, adding to debate on planetary classification.
  • The discovery would influence whether Planet Y is recognized as a official solar system planet.
  • The Rubin Observatory LSST will play a key role in confirming Planet Y if it exists.
  • The finding hinges on a small chance (about 2%) that the warp is a fluke of solar system evolution.
  • Planet Y would have a mass between Mercury and Earth, orbiting 100–200 AU from the Sun.
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#2
Aliens From a Parallel Universe May Be All Around Us—And We Don’t Even Know It, Study Suggests
#2 out of 214.0K est. views
23h ago

Aliens From a Parallel Universe May Be All Around Us—And We Don’t Even Know It, Study Suggests

  • Latest research proposes that varying dark energy densities could shape star formation and life's potential in alternate universes.
  • The study uses anthropic reasoning to explore why our universe has the observed dark energy density yet hosts life.
  • Researchers find that a universe with about one-tenth of the current dark energy density could maximize star formation.
  • The work does not prove multiverses exist but offers a framework to study life’s potential across different cosmic conditions.
  • The paper highlights that although high dark energy density reduces individual life prospects, there could be many such universes.
  • The research builds on the Drake equation’s focus on star formation and planetary habitability as precursors to life.
  • The scenarios suggest dark energy density influences star formation and cosmic history, linking physics to life's emergence.
  • The authors emphasize the study is a thought experiment to explain the observed dark energy value given our existence.
  • The research suggests the optimal universe for life would have less dark energy than ours, improving star formation.
  • The study’s publication in November 2024 in Monthly Notices of the Royal Astronomical Society anchors its credibility.
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