How did Kalpana Chawla die?

kalpana chawla was first astronaut of indian origin

She was  returning  from a NASA mission on February 1, 2003.

After spending 16 days in space, she returned to earth.

But her vehicle met with an accident while entering the atmosphere.

This accident occurred due to technical fault in the vehicle.

A portion of foam insulation was torn from the space shuttle's external tank.

The space shuttle's rear wing was destroyed by this

Due to that, Space shuttle burst out in the sky

All 7 members died in this incident.