Neptune's PLANET ADVOCATE Heidi Hammel suggests these readings as useful for background: What a way to leave the Solar System," Science News 136, 148 (1989).

Neptune and Triton: worlds apart," Sky & Telescope V.79, #2, 136 (1990).

"Jupiter's Red Spot & Neptune's Dark Spot," Sky & Telescope V.80, #4, 361 (1990).

"Neptune's weather," Science News 142, 286 (1992).

"Neptune's northern half grows brighter," Science News 144, 287 (1993).

"Repaired Hubble views two outer planets," Science News 146, 312 (1994).

Hubble's world's: Neptune," Sky & Telescope V.89, #2, 25 (1995).