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It covers what the Sun is made of, hydrogen and helium, how scientists identify elements through spectra, and the Sun’s size, age, heat, and motion. It also introduces the solar system and opens a look inside the Sun by dividing it into zones, describing temperatures and energy flow from core to outer layers.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":57,"@type":76,"position":81},"https://docshare.wps.com/document/general/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/whats-the-sun-made-of-journey-through-the-sun/412614/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/whats-the-sun-made-of-journey-through-the-sun/412614.png","ImageObject",300,407,{"name":92,"@type":93},"\tCallum ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-21","2026-09-28",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the Sun made of?","Question",{"text":112,"@type":113},"The Sun is made up mostly of hydrogen and helium, with hydrogen around 75% and helium around 25%.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do scientists know what chemicals are in the Sun?",{"text":117,"@type":113},"Scientists study the pattern of coloured lines in sunlight, called a spectrum, which reveals which chemicals are present.",{"name":119,"@type":110,"acceptedAnswer":120},"What happens inside the Sun?",{"text":121,"@type":113},"Inside, energy is produced in the core, then flows through the radiative zone toward the cooler surface, with different layers forming a sequence of zones.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},412614,1791295353,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":56,"category_name":57,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":36,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},137451211410,"https://ap-avatar.wpscdn.com/avatar/2000bb0a9246f588df?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786362646172706240","A JOURNEY THAT BRINGS LIFE TO A PLANETLIGHTHEATENERGYFOLLOW THE HIGHWAY SELECT THE BYWAYS AND MAPYOUR OWN ROUTE  \n22096763Z  \n*22096763Z*  \nY  \n0S  \n.  \n98  \nTHE Highway  \nTHE Dyways  \nTHE Show Zones  \nFOLLOW THE HIGHWAY-HERE WE G0!-  \nThe Sun is a star.Let's examinethis star in more detail.YOUR BYWAY1 What's it made of?BYWAY TO SHOW ZONE1FOLLOW THE HIGHWAY(AND WHAT'S INTHE MIDDLE OF IT?)  \nThe Sun  \n2 How big is it?BYWAY TO SHOW ZONE 2This is wher3 How old is it?(AND HOW WASIT BORN?)our journey starts4 How hot does it get?(AND WHY DOES IT SHINE?)5 How does the Sun fit---BYWAY TO SHOW ZONES150 million kilometresin with the rest ofthe Universe?from Earth.(AND WILL THE SUN LASTFOREVER?)6 Does the Sun move?  \n-→BYWAY TO SHOW Z0NEThe visible surtace(AND WHATISAN ECLIPSE?)of the Sun is called thePHOTOSPHERE and has atemperature of5,500℃.It containssmall patches of gas calledGRANULES that fade away after5to 10 minutes.These patchesare then replaced bynew ones.  \n---------------------HOW OLD IS THE SUN?BYWAY TO SHOW ZONE 3一  \n-------------------HOW HOT IS THE SUN?BYWAY TO SHOW ZONE 4--  \nH_        \n-WHAT IS THE SOLAR SYSTEM?BYWAY TO SHOW ZONE 5--SHOW ZONE  \n# What's the Sun made of?\n\nThe Sun is a huge glowing ball of hot gases.It is made up almost entirely of two lightgases called hydrogen and helium.How do we know this?AROUND 75%=HYDROGEN This is theScientists have studiedlightest and simplestthe pattern of colouredgas known.Hydrogenlines that make upis vital for various  \nprocesses that go onsunlight.This pattern isin the human bodycalled a spectrum.Theand is also used as aSHOW ZONE 1type of spectrum showsfuel in industry.  \nthem which chemicalsare in the Sun.  \nAROUND 25%=HELIUM Scientists discovered this gas on the Sun before they found it on Earth.Thename comes from the Greek \"helios'meaning'sun'.Asit is lihter than air,and will no burn likehydrogen,helium i used in scientific allons.Itisalso used to help people with breathing ificulties.LET'JOURNEY TO THECENTRE OF THE SUN.FOLL0W THE PATH TDTHE ZONE OVERLOAD.SHOW ZONE  \nDOES THE SUNHow big is the Sun?CHANGE SIZE?Only very slightly as itpulsates.In warmcountries the Sun mayThe diameter of the Sun is 1,392,000km.appear biger becausethe Earth's atmospheremagnifies our view of theThe Sun is in a group of starsSun when itis setting.astronomers call YELLOW DWARVES.  \nCompared with other stars it is onlyImagine that the Sun's diameter ismedium-sized.Stars calledthe height of an adult.Jupiter,the  \nSUPERGIANTS have a diameter 1,000largest planet in the Solar System,times thatis the size of the head,and Earthof the Sun.smaller than the eyeball.The Sun is  \nso huge you could fit a million ballsthe size of the Earth inside it.---DOES THE SUN STAY IN ONE PLACE?BYWAY TO SHOW ZONE 6--步  \nX2  \nZ0NE  \n# What's inside the Sun?\n\nOverload  \nLet's open up the Sun  \nand take a look inside.  \ndivide up into different zones.  \n□ CORE This is the hottest part of the Sun.Its energy is produced here.Bypass2 RADIATIVE ZONE The energy from the coreflows through here towards the cooler surface.BUTTONLEAP TO SHOW ZONE 22TO SEE HOW WE USE THESUN'S ENERGY ON EARTH.  \nof the Sun.This satelitephotograph was  \nrecorded by theSkylab spaceEAisiLle Proof POTstation.Faintregions areIf you are eating a hot pie or pudding,shown red,whileyou will find it is much hotter in the middlebrighter regionsthan on the outside.Like the Sun,theappear yellowthrough blue andpudding is surrounded by an area coolerlilac to white.than its centre.Z0NE OVERLOAD FROM SHOW ZONE1-  \n# SHOW ZONE\n\nHow hot is the Sun?  \nThe various zones of the Sun have different temperatures.CORE=15 million℃CHROMOSPHERE=28,000°_------RADIATIVE ZONEThe middle reqion of the Sun's atmosphere.  \n=2.5million℃  \nCORONA=2.2 milion’°_____(ONVECTION ZONEThe layer above the chromosphere.  \n=1.]million(  \nPHOTOSPHERE=5,000°℃lf a pinhead could e brought tothe same temperature asThe energy has cooledthe material in the core of the Sunit would set light to  \ndown,but it is","cbCaiam58bBlWqdg","https://ap.wps.com/l/cbCaiam58bBlWqdg","pdf",6496115,"English","# What's the Sun made of?\n## How big is the Sun?\n## What's inside the Sun?\n## How hot is the Sun?","[{\"question\":\"What is the Sun made of?\",\"answer\":\"The Sun is made up mostly of hydrogen and helium, with hydrogen around 75% and helium around 25%.\"},{\"question\":\"How do scientists know what chemicals are in the Sun?\",\"answer\":\"Scientists study the pattern of coloured lines in sunlight, called a spectrum, which reveals which chemicals are present.\"},{\"question\":\"What happens inside the Sun?\",\"answer\":\"Inside, energy is produced in the core, then flows through the radiative zone toward the cooler surface, with different layers forming a sequence of zones.\"}]","What's the Sun made of? - Journey Through the Sun | PDF",1790592189,62]