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List of unsolved problems in astronomy information


This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from current theories' inability of explaining observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory. Other problems involve unique events or occurrences that have not repeated themselves with unclear causes.

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List of unsolved problems in astronomy

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This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from current...

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Lists of unsolved problems

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List of unsolved problems may refer to several notable conjectures or open problems in various academic fields: Unsolved problems in astronomy Unsolved...

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List of unsolved problems in chemistry

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This is a list of unsolved problems in chemistry. Problems in chemistry are considered unsolved when an expert in the field considers it unsolved or when...

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List of unsolved problems in physics

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The following is a list of notable unsolved problems grouped into broad areas of physics. Some of the major unsolved problems in physics are theoretical...

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Faint young Sun paradox

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unsolved problems in astronomy) The faint young Sun paradox or faint young Sun problem describes the apparent contradiction between observations of liquid...

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Galactic Center GeV excess

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center of the Milky Way galaxy Gamma-ray astronomy – Observational astronomy performed with gamma rays List of unsolved problems in astronomy Goodenough...

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Cosmological constant problem

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Unsolved problem in physics: Why is the vacuum energy density much smaller than a zero-point energy suggested by quantum field theory? (more unsolved...

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Glossary of astronomy

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of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy...

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Sun

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dynamics of the solar corona. Unsolved problem in astronomy: Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy)...

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Astronomy

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Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry...

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Dark matter

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Unsolved problem in physics: What is dark matter? How was it generated? (more unsolved problems in physics) In astronomy, dark matter is a hypothetical...

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Dwarf galaxy problem

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Cuspy halo problem (also known as "the core/cusp problem") List of unsolved problems in physics For a detailed and up to date list see List of Milky Way's...

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Timelapse of the Future

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Bang to Heat Death Future of Earth Global catastrophic risk Human extinction Big Crunch List of unsolved problems in astronomy Minimalism 2012 (film) Geostorm...

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Baryon asymmetry

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photons (≈ 5 −10) in the current Universe (more unsolved problems in physics) In physical cosmology, the baryon asymmetry problem, also known as the...

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Flyby anomaly

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Unsolved problem in physics: What causes the unexpected change in acceleration for flybys of spacecraft? (more unsolved problems in physics) The flyby...

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Cuspy halo problem

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problem") List of unsolved problems in physics Moore, Ben; et al. (August 1994). "Evidence against dissipation-less dark matter from observations of galaxy...

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Timeline of fundamental physics discoveries

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neutrinos instead of light Physics List of timelines List of unsolved problems in physics Rovelli, Carlo (2023). Anaximander and the Nature of Science. Allen...

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Cosmological principle

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including the current version of the ΛCDM model, or is the universe inhomogeneous or anisotropic? (more unsolved problems in physics) In modern physical cosmology...

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Disrupted planet

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In astronomy, a disrupted planet is a planet or exoplanet or, perhaps on a somewhat smaller scale, a planetary-mass object, planetesimal, moon, exomoon...

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Accretion disk

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is still not well understood. (more unsolved problems in physics) Accretion disks are a ubiquitous phenomenon in astrophysics; active galactic nuclei...

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Modern physics

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mechanics), one of the unsolved problems in physics is the unification of quantum mechanics and general relativity, which the Standard Model of particle physics...

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Outline of physics

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science – one that studies the role of physical processes in living organisms. 'See Outline of biophysics.' Astronomy – studies the universe beyond Earth...

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Astrophysics

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Scientific List and directory of peer-reviewed Astronomy / Astrophysics Journals Ned Wright's Cosmology Tutorial, UCLA Portals:  Physics  Astronomy  Stars...

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History of physics

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through the Outline of the history of physics. Elements of what became physics were drawn primarily from the fields of astronomy, optics, and mechanics...

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Baryogenesis

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Unsolved problem in physics: Why does the observable universe have more matter than antimatter? (more unsolved problems in physics) The majority of ordinary...

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BLC1

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2021-10-29. "A Signal from Proxima Centauri?". SETI Institute. Retrieved 2020-12-20. Portals:  Astronomy  Stars  Spaceflight  Outer space  Solar System...

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Physics

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Complex problems that seem like they could be solved by a clever application of dynamics and mechanics remain unsolved; examples include the formation of sandpiles...

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