Neptune dramatic temperature changes

Neptune is roughly 17 times larger than Earth, but its distance from the sun and axial tilt means a single year on Neptune takes more than 165 years on ...

Neptune's atmosphere makes it a baffling planet in many ways. Neptune is roughly 17 times larger than Earth, but its distance from the sun and axial tilt means a single year on Neptune takes more than 165 years on Earth, and its seasons last four decades each. Neptune is roughly 17 times larger than Earth, but its distance from the sun and axial tilt means a single year on Neptune takes more than 165 years on Earth, and its seasons last four decades each.