Question

why the moon look bright at night if it does not have its own light​

Answer 1

The Moon gets its light from the Sun. In the same way that the Sun illuminates Earth, the Moon reflects the Sun's light, making it appear bright in our sky.

Answer 2

Answer:

When we look at the Moon, if it does not make its own light,  The Moon gets its light from the Sun. In the same way that the Sun illuminates Earth, the Moon reflects the Sun's light, making it appear bright in our sky.

The moon shines because its surface reflects light from the sun. ... This is when the moon is between the sun and the Earth, so that the side of the moon reflecting sunlight is facing away from Earth.