The Helix Nebula, also known as NGC 7293, is a planetary nebula located about 650 light-years away in the constellation Aquarius. It is one of the closest nebulae to Earth and is often referred to as the "Eye of God" due to its appearance. The nebula is formed from the outer layers of a dying star, which have been expelled into space. The Helix Nebula is approximately 2.5 light-years across and has a bright central star, which is a white dwarf. This star is the remnant of the original star that created the nebula. The nebula's intricate structure and vibrant colors make it a popular subject for astronomers and astrophotographers.