News tagged with gravitational forces

Magic and symmetry in mathematics

We live in a three-dimensional world. Despite the many benefits this presents, it also makes for a complicated math problem, according to Northeastern associate professor of mathematics Ivan Loseu. The best ...

dateMar 12, 2014 in Mathematics
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New technique measures mass of exoplanets

To date, scientists have confirmed the existence of more than 900 exoplanets circulating outside our solar system. To determine if any of these far-off worlds are habitable requires knowing an exoplanet's ...

dateDec 19, 2013 in Astronomy
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Satellites show the way to new oil finds

A new map of the Earth’s gravitational force based on satellite measurements makes it much less resource intensive to find new oil deposits. The map will be particularly useful as the ice melts in the oil-rich ...

dateFeb 27, 2009 in Earth Sciences
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What is the value of G?

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to calculate the attractive force of gravity between objects, is more than ...

dateOct 28, 2014 in General Physics
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Equivalence principle in space test

Since Galileo Galilei and Newton, the assumption is valid that inert and heavy mass are equivalent. This is, however, questioned by new physical theories such as the String theory. Now, the equivalence principle ...

dateMay 11, 2009 in General Physics
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Milky way sidelined in galactic tug of war

(PhysOrg.com) -- The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds. Our ...

dateSep 29, 2010 in Astronomy
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