Question

What is the shape of earth?
Why does stars Shine?​

Answer 1

Answer:

A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night, but due to their immense distance from Earth they appear as fixed points of light in the sky.

Answer 2

Answer:

shape of earth is spherical

stars shine because they are luminous bodies (which can provide light itself)