{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Is the Universe Fine-Tuned for Life? Arguments For and Against' data-url='/boclips/videos/689566ed8b3f8d9d4df8e342' data-video-url='/boclips/videos/689566ed8b3f8d9d4df8e342' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nIs the Universe Fine-Tuned for Life? Arguments For and Against\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eSome say that it could not have occurred by chance, that there must be some agent, like a god that set up the constants to enable life.Let's just look at the constants associated with the different forces. Gravity: If the gravitational...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eSome say that it could not have occurred by chance, that there must be some agent, like a god that set up the constants to enable life.\u003cbr/\u003e\u003cbr/\u003eLet's just look at the constants associated with the different forces. Gravity: If the gravitational constant was too small, gravity would be too weak, and planets wouldn’t form. If it was too large, then stars like the sun would burn up too fast. \u003cbr/\u003e\u003cbr/\u003eElectromagnetism: The electromagnetic force is responsible for the distance at which electrons orbits in atoms. If the force was weaker, the atomic size would increase because electrons would be further away from the nucleus. This could impact chemistry, as it would change the strength of chemical bonds. \u003cbr/\u003e\u003cbr/\u003eA higher constant would lead to cooler stars and a lower constant would lead to hotter stars. If the constant was bigger, atoms larger than hydrogen atoms could not form and stars may never ignite, because protons may not have been able to overcome the coulomb barrier to fuse in the first place. \u003cbr/\u003e\u003cbr/\u003eStrong force: If the strong coupling constant were lower, then you wouldn’t have stable heavy atoms as it would not be enough to overcome proton-proton repulsion. If the strong nuclear force was only 1% weaker for example, atoms crucial for life like oxygen, carbon and nitrogen may not form in sufficient quantities. \u003cbr/\u003e\u003cbr/\u003eIf the strong force was 2% stronger the atoms might not form at all. We would be stuck with only hydrogen atoms. The reason for this is that the strong force would overpower the beta decay that is necessary for protons to be transmuted to neutrons. \u003cbr/\u003e\u003cbr/\u003eIf the weak force constant was bigger, too much hydrogen would have turned into helium during the big bang, so fewer stars. If the value was smaller, neutrons wouldn’t have changed into protons in significant numbers. This could result in a universe full of neutrons, and no atoms in the universe. \u003cbr/\u003e\u003cbr/\u003eArguments against fine tuning: It does not follow that fine tuning is unnatural. There would be no basis to make that judgement because unnatural would mean that other constants could or should exist naturally. That is not the case. \u003cbr/\u003e\u003cbr/\u003eWe can’t say that it’s improbable either because probability implies that other constants are possible. We don’t know that. No probability based on statistics can be calculated based only one data point. \u003cbr/\u003e\u003cbr/\u003eLife is not necessarily limited to life as we know it or understand it. Life different than ours could evolve in a different universe with a different set of constants. \u003cbr/\u003e\u003cbr/\u003eOther than philosophical arguments, are there any scientific ones? Yesm, the masses of the different fundamental particles. Although it is important that the down quark has a higher mass than the up quark to enable beta decay, which allows neutrons to transmute into protons and vise versa, the precise value of these quark masses appears arbitrary. They could have different values, but as long as the difference between them was about the same, not much would change. \u003cbr/\u003e\u003cbr/\u003eThe mass of the neutrino may be arbitrary too. The most important thing is just for the mass to be very close to zero, and the ratio of the masses of the three different neutrinos – electron, muon and tau neutrinos is important. But the precise number that the mass takes does not seem to make a difference. \u003cbr/\u003e\u003cbr/\u003eThis may be like the story of the sentient puddle that finds himself to fit very precisely into the hole he finds himself in. But there could be lots of holes with lots of sentient puddles with different dimensions of the hole that also believe the same thing. \u003cbr/\u003e\u003cbr/\u003eIf the universe was fine tuned for life, why doesn’t life play a central role in the universe? Why isn’t it everywhere? Why is most of the universe hostile towards life. \u003cbr/\u003e#finetuning\u003cbr/\u003eEven if the universe if fine tuned, it does not necessarily mean that there is an agent that created it because if he is outside the bounds of physics, then he could create life in any universe, even one that is not fine tuned.\u003cbr/\u003eOutro tune: \"Cinematic Electronic Ambient\" by Valentina Gribanova \u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource 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aria-labelledby='classroom-considerations-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='classroom-considerations-heading'\u003eClassroom Considerations\u003c/h2\u003e\n\u003cdiv class='classroom-considerations'\u003e\u003cdiv class='fai fa-solid fa-bell'\u003e\u003c/div\u003eBest For: Explaining a topic\u003c/div\u003e\u003cdiv class='classroom-considerations'\u003e\u003cdiv class='fai fa-solid fa-bell'\u003e\u003c/div\u003eVideo is ad-free\u003c/div\u003e \n\u003c/div\u003e\n\u003cdiv aria-labelledby='educator-ratings-heading' class='rp-info-section'\u003e\n\u003ch2 class='title sr-only' id='educator-ratings-heading'\u003eEducator Ratings\u003c/h2\u003e\n\u003cdiv id=\"educator-ratings-root\"\u003e\u003c/div\u003e\u003cdiv id=\"all-educator-ratings-root\"\u003e\u003c/div\u003e\u003cdiv id=\"educator-rating-form-root\"\u003e\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-resource'\u003e\n\u003cdiv aria-label='Show resource details' 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Arguments For and Against\" href=\"/subscription/new\"\u003e\u003cimg class=\"resource-img img-thumbnail img-responsive z-10 lp-boclips-thumbnail w-full h-full lozad\" alt=\"Is the Universe Fine-Tuned for Life? Arguments For and Against\" title=\"Is the Universe Fine-Tuned for Life? Arguments For and Against\" onError=\"handleImageNotLoadedError(this)\" data-default-image=\"https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/missing.png\" data-src=\"https://cdnapisec.kaltura.com/p/1776261/thumbnail/entry_id/1_u7eho7fe/width/250\" width=\"315\" height=\"220\" src=\"data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs\" /\u003e\n\u003cspan aria-hidden='true' class='flex justify-center items-center bg-white rounded-full w-16 h-16 absolute top-1/2 left-1/2 -mt-8 -ml-8 cursor-pointer z-0 border-2 border-primary drop-shadow-md lp-boclips-thumbnail-playBtn'\u003e\n\u003ci class='fa-solid fa-play text-primary text-3xl ml-1 drop-shadow-xl'\u003e\u003c/i\u003e\n\u003c/span\u003e\n\u003c/a\u003e\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n"}