Theoretically, its gravitational field is so intense that no electromagnetic radiation can escape
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Black Holes | Science Mission Directorate  The result is a gravitational field so strong that nothing, not even light, can escape. ... that detect x-rays, light, or other forms of electromagnetic radiation. ... of black holes and study them by detecting their effect on other matter nearby. ... times the mass of the Sun), it can be proven theoretically that no force can keep the star...
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general relativity - How does gravity escape a black hole? - Physics ...  Nov 16, 2010 ... If gravitational radiation could escape, you could theoretically use it to send ... Similarly, a black hole has a mass, so it has a gravitational field around it. ... at some point, the curvature is so intense that the light-cones are "flipped". ... And, within the framework of classical GR, it's simply not possible for you to...
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NS2-M3C17_-_The_Stars_Exam.docx  8 A theoretical massive object, formed at the beginning of the universe or by the. gravitational ... field is so. intense that no electromagnetic radiation can escape ... 9 A large group of stars, drawn together due to gravitational attraction. A Double ... 10 Galaxy distinguished by its distinct nucleus with one or more spiral arms.
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Black hole | Define Black hole at Dictionary.com  Black hole definition, Astronomy. a theoretical massive object, formed at the ... gravitational field is so intense that no electromagnetic radiation can escape. ... an object in space so dense that its escape velocity exceeds the speed of light. 2.
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J! Archive - Show #5050, aired 2006-07-21  Jul 21, 2006 ... It's Sunday & time to say a few prayers to Cautha, the sun god of this ancient people of the Italian peninsula ... Theoretically, its gravitational field is so intense that no electromagnetic radiation can escape...
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So why can't anything go faster than the speed of light? - Zidbits  May 18, 2011 ... It could even allow for time travel. ... Wondering why light doesn't travel at a different speed is like wondering why .... What about blackholes, since light is unable to escape a blackhole. ...... be effectively stopped because the force g would be so strong as to stop the movement of all the particles in the matter.
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It's official: You're lost in a directionless universe | Science | AAAS  Sep 7, 2016 ... The cosmos has no special direction that might be used to define a universal .... There are just two problems with their model, which they covet .... There is no 'structuring force' as Time/Space must be defined before ... I'm interested in logic and I'd like to know what you're getting at here, but I'm not seeing it.
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Ch 2 The Universe - Open Geography Education  Decades ago astronomers could not tell if these two galaxies were just passing ... They also found out that there are many more stars than were visible to the .... In the first few moments after the Big Bang, the universe was unimaginably hot and dense. ... After a few minutes, those subatomic particles came together to create...
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This question originally aired on February 22,... | Jeopardy ...  ... Category: REACH FOR THE STARS Question: A super one of these hurls debris through space at over 40 million MPH & then can form a nebula Answer:...
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whole book (big file) - Light and Matter  583. Electric field energy, 583.Gravitational field energy, 588.Magnetic field energy .... nic boundaries; you can be sure that nobody is doing actual science .... only a very small amount of mass, so the gravitational force on a light ..... soon, a standard was created in the form of a metal bar with two ...... The gas in the flask.
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If two metals touch in space, they fuse. Why? - Quora  I'd second the notion that objects spontaneously sticking in vacuum ("cold welding") is not ... Is it true that if two pieces of metal touch in space they become fused ... What would happen if two He nuclei in outer space collided at 300,000 ... metal touch in space they will bond and be permanently stuck together (cold welding).
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Q & A: Gravity vs. Magnetism | Department of Physics | University of ...  Magnetism can either pull the two objects together or push them apart, depending ... It's also why two magnets may move together if you set them near each other, but if you ... with planets far apart, gravity is much more important than magnetism. .... fundamental law, just as electromagnetism and the weak force were unified.
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earlier answer - Ask the Physicist!  You would likely fail because gravity would cause it to collapse under its own .... How fast do electrons stay in an unstable orbit before dropping to their basic orbit? ... than the speed of light, but this doesn't violate relativity since it's the universe itself ..... For example, the earth is rotating on its axis with an angular velocity of 1...
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Physicists Confirm Power of Nothing, Measuring Force of Universal ...  Jan 21, 1997 ... Physicists Confirm Power of Nothing, Measuring Force of Universal Flux ... The vacuum outside the plates, however, would contain its normal full ... These machines pump so much energy into the vacuum by smashing real particles ... somehow converted a single virtual particle into a real infant universe.
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Q: If nothing can escape a black hole's gravity, then how does the ...  May 11, 2014 ... The event horizon is the altitude at which the escape velocity is the speed of ... says nothing can escape, and that the gravity doesn't escape so much as it persists. ... motionless in deep space and accelerating under the pull of gravity ... is around 8,000 light years away, which is not walking-distance).
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Black Holes: Facts - Space.com  Apr 9, 2015 ... This leads to a crazy amount of gravitational force pulling on objects around it. ... Virtually nothing can escape from them  under classical physics, even light is trapped ... Black holes are strange regions where gravity is strong enough to bend ... into a vacuum, which the massive black hole definitely is not.
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Free Fall and Air Resistance - The Physics Classroom  But why do all objects free fall at the same rate of acceleration regardless of their mass? ... The gravitational field strength is a property of the location within Earth's ... field at Earth's surface causes a 9.8 m/s/s acceleration of any object placed...
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Gravitational Field Strength and the Acceleration Due ... - PhysicsLAB!  Lab Discussion: Gravitational Field Strength and the Acceleration Due to Gravity .... falling body on planet X, what is this planet's acceleration due to gravity?
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Betelgeuse will explode someday | Brightest Stars | EarthSky  Jan 26, 2016 ... And by one estimate, it's only 430 light-years away! ... Earth is too far away for this explosion to harm, much less destroy, life on Earth. ... The arcs are thought to be material ejected from Betelgeuse as it evolved into a red supergiant. ... Of course the Giant refers to Orion, but  rather than an armpit  some...
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Newton's law of universal gravitation - Wikipedia  Newton's law of universal gravitation states that a particle attracts every other particle in the ... In this way, the question arose as to what, if anything, Newton owed to ... a curve by a supervening attractive principle", and he published them again in .... to account for the direction of the gravitational force as well as its magnitude.
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Earlier Answer - Ask the Physicist!  But the other object has a huge mass and so it exerts a huge force on the earth; ..... I know what Newton's first law of motion means but could you give me some .... will behave like a wave if we design an experiment to look for wave properties. .... I understand if you spin up a gyroscope, put It down at an angle, its axis will...