Question

WHY DOES A STAR TWINLE
CLASS 10

Answer 1

$\huge \boxed{ \bf \red{ Correct \: Question :-}}$

$\bf \purple{Why \: do \: stars \: twinkle ?}$

$\huge \boxed{ \bf \red{Answer :-}}$

$\rm \: Stars \: twinkle \: due \: to \: atmospheric \: refraction \: of \: \\ \rm \: starlight. \: The \: starlight \: passes \: through \: atmospheric \\ \rm \: medium \: of \: gradually \: changing \: refractive \: index. \\ \rm \: So, \: it \: is \: refracted \: multiple \: times. \: As \: the \: apparent \: position \\ \rm of \: star \: and \: the \: physical \: condition \: of \: the \: earth's \: atmosphere \\ \rm are \: not \: constant \: the \: amount \: of \: starlight \\ \rm \: entering \: the \: eye \: flickers \: and \: gives \: a \: twinkling \: effect.$