1、ThesunisthestarthattheEarthorbitsaround.

2、Thesunprovideslightandheatforlifeonourplanet.

3、Thesunisthelargestobjectinthesolarsystem.

4、Thesunislocatedatthecenterofthesolarsystem.

5、Thesun'senergycomesfromnuclearfusionreactions.

6、Thesunisapproximately4.6billionyearsold.

7、Thesun'sdiameterisabout1.39millionkilometers.

8、Thesunrotatesonitsaxisonceevery27.3days.

9、Thesun'smagneticfieldisresponsibleforsunspotsandothersolarphenomena.

10、Thesun'soutermostlayeriscalledthecorona.

11、Thesun'stemperaturerangesfromabout5,500degreesCelsiusatitssurfacetomorethan15milliondegreesCelsiusatitscore.

12、Thesun'sgravityissostrongthatitkeepsalltheplanetsinorbitaroundit.

13、Thesun'senergyoutputisgraduallyincreasingovertime.

14、Thesunwilleventuallyexhaustitsfuelandbecomearedgiant.

15、Thesun'sactivityvariesinacycleofapproximately11years.

16、Thesunemitslightintheformofelectromagneticradiation.

17、Thesun'sultravioletradiationcancauseskindamageandotherhealthproblems.

18、Thesunisoneofbillionsofstarsinourgalaxy,theMilkyWay.

19、Thesun'xxrightnessismeasuredonascalecalledmagnitude.

20、Thesun'ssolarwindinteractswiththeEarth'smagneticfield,creatingtheauroras.

21、Thesun'senergyisharnessedbysolarpanelstoproduceelectricity.

22、Thesun'sgravitationalforceaffectsthetidesonEarth.

23、Thesunhaxxeenreveredasadeityinmanyculturesthroughouthistory.

24、Thesun'slightallowsustoseeandperceivetheworldaroundus.

25、ThesunisanessentialsourceofenergyforalllifeonEarth.