--- title: "Meaning & Key Takeaway of: In order to show that not even light can…" description: "\"“In order to show that not even light can escape from the gravitational pull of a black hole, we have to hone the argument further. Light, as we know, ..." image: "https://sms4smile.com/quotes/i/d14/henning-genz-4557_black-hole_in-order-to-show-that-not-even-light-can_2463349.jpg" --- # In order to show that not even light can escape from the… ![“In order to show that not even light can escape from the gravitational pull of a black hole, we have to hone the argument further. Light, as we know, always moves at the same velocity. When it rises against gravity, light, will therefore not slow down. Unlike a bullet, it cannot come to rest and…” quote by Henning Genz](https://sms4smile.com/quotes/i/d14/henning-genz-4557_black-hole_in-order-to-show-that-not-even-light-can_2463349.jpg) [Download](https://sms4smile.com/quotes/i/d14/henning-genz-4557_black-hole_in-order-to-show-that-not-even-light-can_2463349.jpg) [Open image](https://sms4smile.com/quotes/i/d14/henning-genz-4557_black-hole_in-order-to-show-that-not-even-light-can_2463349.jpg) > ““In order to show that not even light can escape from the gravitational pull of a black hole, we have to hone the argument further. Light, as we know, always moves at the same velocity. When it rises against gravity, light, will therefore not slow down. Unlike a bullet, it cannot come to rest and turn around. But by rising it will lose energy and thereby its wavelength will increase. Thus the light becomes dimmer and dimmer-with the result that outside the sphere at which bullets turn around the light cannot be seen anymore. We may therefore conclude that light, just as bullets, cannot leave the gravitational field of a black hole.”” [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Explains that light cannot escape a black hole because it loses energy and redshifts, similar to a bullet that cannot reverse direction under gravity. **In simple terms:** Light cannot leave a black hole due to energy loss. Key Takeaway Understand gravity’s effect on light. Themes physics astronomy relativity Mood curious thoughtful Type scientific explanatory When to use this quote - lecture - science documentary - educational video Key Concepts event horizon gravitational redshift energy conservation Questions to Reflect On - How does redshift demonstrate energy loss? - What limits does this place on observing black holes? A Different Perspective The explanation simplifies complex GR concepts, which may mislead without math. ★ ★ ★ ★ ★ No ratings yet [Black hole](https://sms4smile.com/quotes/about/black-hole/) [Escape Gravitational](https://sms4smile.com/quotes/about/escape-gravitational-681875/) [Gravitational Pull](https://sms4smile.com/quotes/about/gravitational-pull-235383/) [Gravity Light](https://sms4smile.com/quotes/about/gravity-light-681874/) [Light Escape](https://sms4smile.com/quotes/about/light-escape-681876/) [Light Slow](https://sms4smile.com/quotes/about/light-slow-681877/) [Theory](https://sms4smile.com/quotes/about/theory/) ## Related quotes > [“Let's return to Archytas's staff and to the expanding Universe. A javelin that is thrown straight upward will drop back down a long time…](https://sms4smile.com/quotes/henning-genz/let-s-return-to-archytas-s-staff-and-to-the-expanding-universe-a/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“We move in the light. We slow in the shadows. We stop in the dark.”](https://sms4smile.com/quotes/e-l-james/we-move-in-the-light-we-slow-in-the-shadows-we-stop-in-the-dark/) [E.L. James](https://sms4smile.com/quotes/author/e-l-james/) > [“She was gravity. She was the light in the darkest of my days, and her smile ignited a flame inside of me that had…](https://sms4smile.com/quotes/teresa-mummert/she-was-gravity-she-was-the-light-in-the-darkest-of-my-days-and-her/) [Teresa Mummert](https://sms4smile.com/quotes/author/teresa-mummert/) > [“Your eyes, they shine so bright I wanna save that light I can't escape this now Unless you show me how”](https://sms4smile.com/quotes/anth/your-eyes-they-shine-so-bright-i-wanna-save-that-light-i-can-t-escape/) [anth](https://sms4smile.com/quotes/author/anth/) > [“Your eyes, they shine. I wanna save that light. I cant escape it now, unless you show me how.”](https://sms4smile.com/quotes/imagine-dragons-demons/your-eyes-they-shine-i-wanna-save-that-light-i-cant-escape-it-now/) [Imagine Dragons Demons](https://sms4smile.com/quotes/author/imagine-dragons-demons/) > [“Now let's assume that there is an external Mass acting gravitationally on some system that we observe. Then there are two possibilities: First the…](https://sms4smile.com/quotes/henning-genz/now-let-s-assume-that-there-is-an-external-mass-acting/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“Considering the energy balance, the reduction in size and the rise in temperature of the black hole form a feedback mechanism that ultimately must…](https://sms4smile.com/quotes/henning-genz/considering-the-energy-balance-the-reduction-in-size-and-the-rise-in/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“At first glance, it may appear odd that the black hole loses mass upon absorbing another mass-that of the electron. Actually, this seeming paradox…](https://sms4smile.com/quotes/henning-genz/at-first-glance-it-may-appear-odd-that-the-black-hole-loses-mass-upon/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“We don't really know whether there are black holes that emit observable amounts of Hawking radiation. Nevertheless, there is no way to overestimate the…](https://sms4smile.com/quotes/henning-genz/we-don-t-really-know-whether-there-are-black-holes-that-emit/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“If they were as we described them, the existence of black holes would contradict the principles of thermodynamics. 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There's this gravitational pull.](https://sms4smile.com/quotes/ryan-mcginley/you-find-the-people-that-you-need-to-find-there-s-this-gravitational/) [Ryan McGinley](https://sms4smile.com/quotes/author/ryan-mcginley/) ## More by Henning Genz > [“Recall our discussion of the pendulum. Its position at a given instant does not fix its subsequent behavior. Suppose a photograph shows the pendulum…](https://sms4smile.com/quotes/henning-genz/recall-our-discussion-of-the-pendulum-its-position-at-a-given-instant/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“Just as with sound waves, light waves emitted by a moving source show the Doppler effect. 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We know this is true;…](https://sms4smile.com/quotes/henning-genz/what-really-transcends-our-understanding-is-the-mechanism-that/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“Chaotic or disordered distributions are symmetrical on the average. An observer cannot conclude anything about his location from looking around him. An example is…](https://sms4smile.com/quotes/henning-genz/chaotic-or-disordered-distributions-are-symmetrical-on-the-average-an/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“The hotter a substance, the faster and the less ordered its molecular motion, and the larger the momentum with which molecules collide. Above 0…](https://sms4smile.com/quotes/henning-genz/the-hotter-a-substance-the-faster-and-the-less-ordered-its-molecular/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“This elementary process is symbolically illustrated in figure 59c: A photon becomes an electron-positron pair; inversely, an electron and a positron can combine into…](https://sms4smile.com/quotes/henning-genz/this-elementary-process-is-symbolically-illustrated-in-figure-59c-a/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“John Maddox, the editor of the British journal Nature, had immediately suggested that the minister should be told that the Higgs boson can be…](https://sms4smile.com/quotes/henning-genz/john-maddox-the-editor-of-the-british-journal-nature-had-immediately/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“At first glance, it may appear odd that the black hole loses mass upon absorbing another mass-that of the electron. Actually, this seeming paradox…](https://sms4smile.com/quotes/henning-genz/at-first-glance-it-may-appear-odd-that-the-black-hole-loses-mass-upon/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) > [“We can now infer that at this initial cooldown of the universe across the critical temperature of 10^15 degrees, a mini planetary system might…](https://sms4smile.com/quotes/henning-genz/we-can-now-infer-that-at-this-initial-cooldown-of-the-universe-across/) [Henning Genz](https://sms4smile.com/quotes/author/henning-genz/) [Explore all 109 Henning Genz quotes ](https://sms4smile.com/quotes/author/henning-genz/) ## More Black hole quotes > [“Our irises are galaxies; our pupils are black holes if we allow ourselves to bottle up everything inside us instead of allowing ourselves to…](https://sms4smile.com/quotes/jaclyn-johnston/our-irises-are-galaxies-our-pupils-are-black-holes-if-we-allow/) [Jaclyn Johnston](https://sms4smile.com/quotes/author/jaclyn-johnston/) > [I hate studios. A studio is a black hole. I never use a studio to work. It's very artificial to go to a studio…](https://sms4smile.com/quotes/marina-abramovic/i-hate-studios-a-studio-is-a-black-hole-i-never-use-a-studio-to-work/) [Marina Abramovic](https://sms4smile.com/quotes/author/marina-abramovic/) > [I definitely have a different perspective on music in general. 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They fill with…](https://sms4smile.com/quotes/laura-kreitzer/struggling-transforms-her-captor-into-a-chinese-finger-trap-she-s/) [Laura Kreitzer](https://sms4smile.com/quotes/author/laura-kreitzer/) > [“Fear is the bane of all creatures and bubbles inside all forming a rock of solidifying darkness, sucking all will power to act or…](https://sms4smile.com/quotes/isabella-irini-poretsis/fear-is-the-bane-of-all-creatures-and-bubbles-inside-all-forming-a/) [Isabella Irini Poretsis](https://sms4smile.com/quotes/author/isabella-irini-poretsis/) [Browse all 503 Black hole quotes ](https://sms4smile.com/quotes/about/black-hole/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "“In order to show that not even light can escape from the gravitational pull of a black hole, we have to hone the argument further. Light, as we know, always moves at the same velocity. When it rises against gravity, light, will therefore not slow down. 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