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  2. List of gravity hills - Wikipedia

    en.wikipedia.org/wiki/List_of_gravity_hills

    This is a list of gravity hills and magnetic hills around the world.. A gravity hill is a place where a slight downhill slope appears to be an uphill slope due to the layout of the surrounding land, creating the optical illusion that water flows uphill or that a car left out of gear will roll uphill.

  3. Mysterium Cosmographicum - Wikipedia

    en.wikipedia.org/wiki/Mysterium_Cosmographicum

    Johannes Kepler's first major astronomical work, Mysterium Cosmographicum (The Cosmographic Mystery), was the second published defence of the Copernican system.Kepler claimed to have had an epiphany on July 19, 1595, while teaching in Graz, demonstrating the periodic conjunction of Saturn and Jupiter in the zodiac: he realized that regular polygons bound one inscribed and one circumscribed ...

  4. Cosmic Evolution Survey - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Evolution_Survey

    COSMOS's 3-D map of the large-scale distribution of dark matter, reconstructed from measurements of weak gravitational lensing with the Hubble Space Telescope. [ 1 ] The Cosmic Evolution Survey ( COSMOS ) is a Hubble Space Telescope (HST) Treasury Project to survey a two square degree equatorial field with the Advanced Camera for Surveys (ACS ...

  5. How the Universe Works - Wikipedia

    en.wikipedia.org/wiki/How_the_Universe_Works

    Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to the universe since its beginning, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even have helped to shape life on Earth. Explores if there may be a dark matter universe that could account for all the ...

  6. Mystery Spot - Wikipedia

    en.wikipedia.org/wiki/Mystery_Spot

    The Mystery Spot was the first "gravity-defying" tourist attraction in California and was the most prominent illusion-based tourist attraction in California in the mid-20th century. [20] It has been featured on BuzzFeed , and in the Santa Cruz Sentinel and other newspapers, comic strips, and travel blogs for decades.

  7. Observable universe - Wikipedia

    en.wikipedia.org/wiki/Observable_universe

    The observable universe is a spherical region of the universe consisting of all matter that can be observed from Earth; the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological expansion.

  8. Observational cosmology - Wikipedia

    en.wikipedia.org/wiki/Observational_cosmology

    This was precipitated by observations that established the size and the dynamics of the cosmos that could be explained by Albert Einstein's General Theory of Relativity. In its infancy, cosmology was a speculative science based on a very limited number of observations and characterized by a dispute between steady state theorists and promoters ...

  9. Physical cosmology - Wikipedia

    en.wikipedia.org/wiki/Physical_cosmology

    Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and dynamics of the universe and allows study of fundamental questions about its origin, structure, evolution, and ultimate fate. [1]