As the size of objects seems to decrease with increasing distance, the Sun appears to be the largest object in the sky because the Sun is the closest star to Earth.
A star is a large ball of gas composed mostly of hydrogen and helium, held together by its own gravity and which produce heat and light by fusion reaction occurring within it.
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems.
The earth is part of the solar system of the Sun. The Sun is the main star providing the earth with heat and light energy.
Even though there are billions of stars in the universe, the Sun appears to be the largest object in the sky because the Sun is the closest star to Earth.
Learn more about the stars and galaxies at: https://brainly.com/question/18486811
