Definition of gravitational constant
British Dictionary definitions for gravitational-constant gravitational constant noun 1. the factor relating force to mass and distance in Newton s law of gravitation. It is a universal constant with the value 6.673 × 10–11 N m² kg–2 G Collins English Dictionary - Complete & Unabridged 2012 Digital…
Creating dark matter
Share This article At MIT, members of the DarkLight project are preparing to create tiny amounts of dark matter using a particle accelerator, to finally prove once and for all just how dark matter operates. As it stands, the generally accepted theory is that almost 27% of the universe is fashioned out…
Dark matter space
Credit: Karl Tate, Space.com Infographics Artist The signal s distribution within the galaxy corresponds exactly to what we were expecting with dark matter — that is, concentrated and intense in the center of objects and weaker and diffuse on the edges,study co-author Oleg Ruchayskiy, of the École Polytechnique…
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What is the definition of gravitational pull?
Laurie bit his lips, and turning a little from the pensive speaker, read the following document, with praiseworthy gravity, considering the spelling:A large, civil cocked hat, like those worn by clergymen within the last thirty years, surmounted the whole, furnishing dignity to a good-natured and somewhat…
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Gravitational force depends on
Commonly referred to as gravity, it is important to encourage the use of the correct term, gravitational force. In the SPACE research report Forces (Russell, et al 1998) clear stages in the progression of childrens understanding of gravitational force and associated phenomena are identified. This…
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Universal law of motion
While Copernicus rightly observed that the planets revolve around the Sun, it was Kepler who correctly defined their orbits. At the age of 27, Kepler became the assistant of a wealthy astronomer, Tycho Brahe, who asked him to define the orbit of Mars. Brahe had collected a lifetime of astronomical observations…
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Higgs boson models
An artist s conception of the Higgs boson. Credit: sakkmesterke/Shutterstock.com Editor s Note: This story was updated at 7:20 p.m. E.T. For a subatomic particle that remained hidden for nearly 50 years, the Higgs boson is turning out to be remarkably well behaved. Yet more evidence from the world s…
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Theory of quantum gravity
This division is concerned with the unification of general relativity and quantum mechanics into a theory of quantum gravity, which should also provide a consistent framework for incorporating the other fundamental forces in nature. Despite intense efforts over the last years it is far from clear at…
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