 Due to their great distance from the Earth , all stars except the Sun appear to the unaided eye as shining points in the night sky that twinkle because of the effect of the Earth 's atmosphere . The Sun is also a star , but it is close enough to the Earth to appear as a disk instead , and to provide daylight . Other than the Sun , the star with the largest apparent size is R Doradus , with an angular diameter of only 0 @.@ 057 arcseconds . 
 Due to their great distance from the Earth , all stars except the Sun appear to the unaided eye as shining points in the night sky <a href='null_relcl' title='1'><mark>that</mark></a>twinkle because of the effect of the Earth <a href='null_genetive' title='2'><mark>'s</mark></a>atmosphere . The Sun <a href='drop_aux' title='3'><mark>is</mark></a>also a star , but it <a href='drop_aux' title='4'><mark>is</mark></a>close enough to the Earth to appear as a disk instead , and to provide daylight . Other than the Sun , the star with the largest apparent size <a href='drop_aux' title='5'><mark>is</mark></a>R Doradus , with an angular diameter of only 0 @.@ 057 arcseconds . 
Due to their great distance from the Earth , alll stars except da Sun appear to the unaided eye as shining points in the night sky twinkle becuz of tdaeffect of thdaarth  atmosphere . Thedan also a star , but it close enough to the dath to appear as a disk instead , and to provide daylight . Other than the Sun , the star with the ldaest apparent size R Doradus , with an angular diameter of only 0 @.@ 057 arcseconds .