Supergirl Here

She was sent to Earth at age 13 to protect her baby cousin, but her ship was knocked off course into the Phantom Zone, causing her to arrive years after he had already grown up.

Under Earth’s yellow sun, she possesses powers similar to Superman, including super strength, flight, and heat vision. While not canonically stronger than Clark, she is often portrayed as more volatile because she did not grow up repressing her powers as he did. Supergirl

Kara is the daughter of Zor-El and Alura In-Ze. Unlike Kal-El (Superman), who left Krypton as an infant, Kara was a teenager when she witnessed her home planet's destruction, giving her a more profound sense of loss and trauma. She was sent to Earth at age 13