Question: _What planet is 150 million km (93,000,000 miles) from the sun, allowing water to exist as a solid, liquid, and gas?_

Answer: _Earth_

150 million kilometres (93 million miles) is the average distance between the Earth and the Sun. This distance allows water to exist in all three states on Earth's surface, making it the only known planet in the universe capable of supporting liquid water oceans on its surface.