Latest Gravitation Stories

2015-05-24 12:36:12

NASA's Wide-field Infrared Survey Explorer has found the brightest galaxy in the known universe. This galaxy, fondly named WISE J224607.57-052635.0, emits over 300 trillion times more light than our sun.

advanced ligo
2015-05-20 10:38:15

If the Advanced Ligo is able to pick up these waves, it will revolutionize the way we are able to see the universe.

dark energy
2015-04-23 14:40:52

“Dark energy” used to only be a buzzword used by psychics. Now, though, it's picking up steam in physics, too.

Screen Shot 2015-04-22 at 10.17.04 AM
2015-04-22 10:20:33

About 1/4 of the universe is composed of dark matter, so it’s kind of a big deal. But do you know what it is?

plant sixth sense ISS
2015-04-02 12:49:00

Although it is arguable as to whether plants have all five human senses – sight, scent, hearing, taste and touch – they do have a unique sense of gravity, which is being tested in space. Researchers with the Japan Aerospace Exploration Agency will conduct a second run of the Plant Gravity Sensing study after new supplies are delivered by the sixth SpaceX commercial resupply mission to theInternational Space Station. The research team seeks to determine how plants sense their growth...

2015-03-16 12:39:33

Will we be able to prove this important, 100-year-old theory wrong?

2015-03-08 12:57:27

Celebrating the theory that has greatly advanced physics and astronomy studies through Einstein's predictions.

2015-02-25 08:25:39

COLORADO SPRINGS, Colo., Feb. 25, 2015 /PRNewswire/ -- PetroTerra Corp.

big bang
2015-02-11 09:19:24

As crazy as it sounds, we’ve all kind of accepted the part of the Big Bang Theory that says the universe started as a single point around 13.8 billion years ago. The thing is – a lot of theoretical physicists aren’t enthralled with that idea, as a lot of widely-accepted general relativity equations start to break down as you approach the "singularity".

2015-02-02 11:46:50

A new theory states that black holes can't exist where space and time exist.

Latest Gravitation Reference Libraries

General Relativity and Gravitation
2012-04-29 19:54:56

General Relativity and Gravitation is a peer-reviewed scientific journal published monthly since its establishment in 1970. It is published by Springer on behalf of the International Society on General Relativity and Gravitation. G.F.R. Ellis and H. Nicolai are the editors-in-chief. The journal covers modern gravitational physics, encompassing all theoretical and experimental aspects of general relativity and gravitation. The journal’s main goals include public outreach through teaching...

2004-10-19 04:45:44

Kepler's Laws of Planetary Motion -- The astronomer Johannes Kepler's main contribution to astronomy was his three laws of planetary motion. Kepler found these laws empirically by studying extensive observations recorded by Tycho Brahe. He found the first two laws in 1609 and the third one in 1618. Isaac Newton was later able to derive the laws from his laws of motion and gravity, thereby producing strong evidence in favor of Newton's inverse-square gravitational law. Kepler's First...

2004-10-19 04:45:41

Gravitational Lens -- A gravitational lens is formed when the light from a very distant, bright object (such as a quasar) is "bent" around a massive object (such as a massive galaxy) between the bright object and the viewer. The process is known as gravitational lensing, and was one of the predictions made by Einstein's general relativity. Description In a gravitational lens, the gravity from the massive object bends light as a lens might. As a result, the path of the light from a...

2004-10-19 04:45:41

General Relativity -- General Relativity is the common name for the theory of gravitation published by Albert Einstein in 1915. According to general relativity the force of gravity is a manifestation of the local geometry of spacetime. Although the modern theory is due to Einstein, its origins go back to the axioms of Euclidean geometry and the many attempts over the centuries to prove Euclid's fifth postulate, that parallel lines remain always equidistant, culminating with the...

2004-10-19 04:45:41

Escape Velocity -- An escape velocity is the minimum speed at which an object without propulsion can move away from a source of a gravitational field indefinitely if there is no friction. This definition may need modification for the practical problem of two or more sources in some cases. In any case, the object is assumed to be a point with a mass that is negligible compared with that of the source of the field, usually an excellent approximation. It is commonly described as the speed...

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Word of the Day
  • A handkerchief.
  • Specifically— The legendary sweat-cloth; the handkerchief of St. Veronica, according to tradition miraculously impressed with the mask of Christ; also, the napkin about Christ's head (Johu xx. 7).
  • In general, any miraculous portrait of Christ.
The word 'sudarium' comes from a Latin word meaning 'a handkerchief'.