394 - April 1994
Cometary Outbursts on 2060 Chiron

387 - March 1994
Lighting Up the Rings

386 - March 1994
Impact of Comet Shoemaker-Levy 9 on Jupiter

385 - January 1994
Earth Approaching Asteroid

384 - November 1993
First on Mars

371 - March and/or May 1993?????
Volcanoes on Triton (with Ron Miller)

369 - February 1993
Rendezvous Over Los Angeles: MIR and Space Shuttle

368 - February 1993
Jupiter and Io

367 - November 1992
Io Volcano (with Ron Miller)

366 - September 25, 1992
Launch of Mars Observer

363 - July 1992
Return to Mars at Last: Mars Observer in its Initial 1-Day Parking Orbit

360 - July 1991-May 1992
Supernova In a Star-Forming Region

353 - February 1992
In a Star-Forming Cloud

352 - February 1992
Trojan Asteroid

351 - February 1992
Returned to the Moon

350 - February 1992
Mir Descendant in High Orbit

347 - January 1992
Nereid at Apoapsis

346 - January 1992
Halley Comet Nucleus

345 - January 1992
Impact on Rhea

344 - December 1991
On the Night Side of a Comet

343 - December 1991
Naiad in Front of Neptune

334 - May 1991
Pleisiosaur

333 - May 1991
Half-Grown Earth

332 - May 1991
KT Impact Crater: 1000 Years After Beginning of Tertiary

331.5 - January 1978 and May 1991
Early Crater

331 - May 1991
Earth Embryo

329 - February 1991
Early Earth from Early Moon

328 - February 1991
One Month After End of Cretaceous

327 - October 1990
Enceladus

317 - October 12, 1989-August 1990
Jupiter is Waiting: Five Days Before Galileo Liftoff

315 - April 1989-September 1990
Into Space

308 - December 1989
Anticipation 3

306 - January 1990
Intelligent Shallow-Sea Creatures in Alien Water-World Sea

302 - January 1990
Vents on the Deep Sea Floor with Jelly Fish

300 - September 1989
Collision that Formed the Moon