{"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='3 Biggest James Webb Space Telescope Discoveries' data-url='/boclips/videos/689566e98b3f8d9d4df8e33b' data-video-url='/boclips/videos/689566e98b3f8d9d4df8e33b' 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\n3 Biggest James Webb Space Telescope Discoveries\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'\u003eJames Webb captures infrared light, which allows us to see billions of light years away. Some galaxies would not be visible otherwise, because their light has redshifted beyond visible light spectrum due to the universe’s expansion.As...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eJames Webb captures infrared light, which allows us to see billions of light years away. Some galaxies would not be visible otherwise, because their light has redshifted beyond visible light spectrum due to the universe’s expansion.\u003cbr/\u003e\u003cbr/\u003eAs spacetime stretches, it makes the wavelength of light longer and longer. And for light from very distant galaxies, this redshift results in us receiving the light below the infrared range. And this is one of the reasons why the James Webb telescope is better for viewing the most distant objects. This is also why, in many of its pictures, colors are artificially added in post-production so that we can see it. The orginal photo, if shown, would not be visible to us. \u003cbr/\u003e\u003cbr/\u003eThe JWST seems to have found something that does not fit with our understanding of the universe based on the Lambda CDM model (Big Bang model). \u003cbr/\u003e\u003cbr/\u003eThe problem is that, according to our model, it would take a certain minimum amount of time for big and bright galaxies to form because it involves a hierarchical process of small clouds of gas that condense over time, then stars coming together to form nascent galaxies. \u003cbr/\u003e\u003cbr/\u003eWhat the James Webb telescope discovered is that some galaxies like the JADES-GS-z14-0, existed less than 300 million years after the big bang. Is the Big Bang model broken? The answer is likely not so dramatic. The big discovery is simply that early galaxies seem a little more evolved than expected. \u003cbr/\u003e\u003cbr/\u003eBut there are a few potential explanations for this. 1) We simply might not understand dark matter correctly. If it has some unknown properties, then galaxies could form earlier than we think. 2) Early dark energy field in the early universe could have existed that would then have altered the mechanics of the early universe enough to explain the early galaxy formatio. 3) Population III stars, which are super massive stars virtually without any metal content, could have existed in the very early universe. They could burn quickly and form early black holes, speeding up the evolution of galaxies. There are other theories as well, but none of them are exactly physics-shattering, just minor adjustments to the Lambda CDM model. \u003cbr/\u003e\u003cbr/\u003eThe Webb telescope can also help us understand the evolution of a supernova in a very unique way. It has managed to take a picture where the same supernova can be seen at three different points in time. This is done using a concept Einstein himself predicted – gravitational lensing. \u003cbr/\u003e\u003cbr/\u003eGravitational lensing occurs when a massive celestial body causes a sufficient curvature of spacetime to bend the path of light travelling past or through it. This bending of light acts like a vast lens. An example of how this works is the supernova AT 2022riv, located about 9 billion light years away. Its light waves would just keep going straight if the universe were empty, but because of a massive galaxy in front of it, light bends in 3 different curves. So we see it in 3 different points in time. \u003cbr/\u003e\u003cbr/\u003eThe JWST is also really good at analyzing exo-planets including their chemical composition. It’s so powerful that it has also managed to take direct pictures of several exo-planets. What’s more, it can determine the chemical content of the exo-planet. It does this by analyzing the light of its star passing through the planet's atmonsphere. \u003cbr/\u003e\u003cbr/\u003eThis analysis has already shown for example the abundance of methane and carbon dioxide on an exoplanet called K2-18B, located 120 light years away from us in the habitable zone of its star. This was the first time carbon-based molecules had been found in an exoplanet that is in the habitable zone of its star. Its composition supports the idea that there may be a water ocean underneath a hydrogen-rich atmosphere on it. Observations also detected a molecule called dimethyl sulfide (DMS). On Earth, this is only produced by life. The bulk of the DMS in Earth’s atmosphere is emitted from phytoplankton in marine environments.\u003cbr/\u003e\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 Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eCurator Rating\u003c/dt\u003e\n\u003cdd\u003e\u003cspan class=\"star-rating\" aria-label=\"4.0 out of 5 stars\" role=\"img\"\u003e\u003ci class=\"fa-solid fa-star 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class='title' id='additional-tags-heading'\u003eAdditional Tags\u003c/h2\u003e\n\u003cdiv class='clearfix'\u003e\n\u003cdiv class='details-list keyterms' data-identifier='Boclips::VideoDecorator689566e98b3f8d9d4df8e33b' data-type='keyterms'\u003ethe big bang never happened, science news, big bang theory wrong, james webb telescope big bang, big bang theory proven wrong, would this prove the big bang theory is wrong, james webb space telescope, james webb telescope, jwst discoveries, james webb discoveries, jwst triple image of supernova, james webb space telescope biggest discoveries, james webb space telescope best discoveries, did big bang really happen, did jwst disprove big bang, did jwst discover exoplanet life, distant objects, big bang, larger structures, gravitational lensing, chemical composition, habitable zone, hydrogen gas, dark matter, early universe, supernova explosion, galaxy, visible\u003c/div\u003e\n\u003cdiv class='keyterms-toggle-buttons' 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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' class='rp-show-info' role='button' tabindex='0'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\nShow resource details\n\u003c/div\u003e\n\u003cdiv aria-label='Video player' class='player' id='player-wrapper' role='region'\u003e\n\u003cdiv class='relative container mx-auto' id='lp-boclips-visitor-thumbnail'\u003e\n\u003ca 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Discoveries\" 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_cf78o8y9/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"}