These are the Nebular Hypothesis of Laplace, the Planetesimal Hypothesis of Chamberlin and Moulton, and the Capture Theory of See. Darwings theory of Tidal Friction is scarcely a distinct ...

R. Moulton and See on the evolution of our , system have greatly shaken the faith of astronomers in Laplace's well-known Nebular Hypothesis. More than a century ago Laplace, who more completely ...

With the advantage of modern telescopes, though, we can see that some of those colorful points of light are "true" nebular clouds, some are star clusters, and some are entire galaxies. Astronomers ...

Using modern portfolio theory, investors can build portfolios that maximize return for a given level of risk or minimize risk for a desired level of return. Since its introduction by Henry ...

Social comparison theory is the idea that individuals determine their own social and personal worth based on how they stack up against others. The theory was developed in 1954 by psychologist Leon ...

Athlete Injury Risk Analyzer predicts injury risks using symmetry metrics (force, impulse, torque). It classifies athletes into risk categories with machine learning models and offers a user-friendly ...

Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China University of Chinese Academy of Sciences, Beijing 100049, China ...

The sudden withdrawal of almost half of global funding for nutrition suddenly will have dire consequences for decades.

Probabilistic extensions of Allen’s Interval Algebra for temporal reasoning under uncertainty ...