Indicate if the objectregion listed below is made of plasma

Indicate if the object/region listed below is made of plasma. Provide a reason for your answer.

        a. The star Sirius:

        b. The Earth\'s troposphere:

        c. The aurora:

        d. The Earth\'s ionosphere:

        e. The Sun\'s photosphere:

Solution

Except the earths troposphere, remaining all contain the plasma region. They all contain a huge configuration of ionised charged particles.