Physics

Raghu learnt something in school and he told his friends "An object can appear smaller or bigger in size depending on its distance from you. So, an elephant can look as small as a cat if it is far away."
Based on this, his friends said the following:
Kabir: "All stars are of the same size."
Raina: "All other stars are definitely smaller than the Sun."
Karen: "The Sun and the Moon are definitely of the same size.
"Shifa: "There could be a star which is bigger than the Moon."
Who is correct?


ANSWER

Only Shifa.


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