TOPIC | 240.0 | Space Shuttle Crew Escape System |
| 240.12 | Wed May 16 1990 19:47 | | 5 lines |
TOPIC | 276.0 | Missions to the Planet Mars |
| 276.80 | Wed May 02 1990 15:00 | | 23 lines |
| 276.82 | Thu May 03 1990 12:36 | | 29 lines |
| 276.87 | Thu May 03 1990 17:18 | | 25 lines |
| 276.99 | Fri May 18 1990 14:13 | | 4 lines |
| 276.102 | Mon May 21 1990 14:51 | | 3 lines |
| 276.105 | Tue May 29 1990 17:25 | | 14 lines |
TOPIC | 331.0 | Australia's Space Efforts |
| 331.23 | Tue May 22 1990 01:36 | | 10 lines |
| 331.25 | Wed May 23 1990 12:18 | | 23 lines |
| 331.28 | Thu May 24 1990 15:55 | | 11 lines |
| 331.30 | Thu May 24 1990 17:34 | | 11 lines |
| 331.32 | Fri May 25 1990 13:10 | | 8 lines |
| 331.35 | Sat May 26 1990 01:22 | | 7 lines |
TOPIC | 362.0 | MIR to Get New Modules, Crews |
| 362.311 | Tue May 22 1990 16:49 | | 3 lines |
TOPIC | 457.0 | STS-31 Discovery (Hubble Space Telescope) |
| 457.88 | Tue Apr 24 1990 14:02 | | 12 lines |
| 457.101 | Wed Apr 25 1990 13:59 | | 8 lines |
| 457.108 | Wed Apr 25 1990 19:02 | | 10 lines |
TOPIC | 459.0 | Apollo Trivia |
| 459.50 | Fri Jun 01 1990 20:28 | | 9 lines |
TOPIC | 532.0 | Voyager |
| 532.179 | Fri May 18 1990 15:50 | | 4 lines |
| 532.192 | Fri Jun 08 1990 15:40 | | 6 lines |
| 532.194 | Fri Jun 08 1990 20:56 | | 5 lines |
TOPIC | 560.0 | STS-34 ATLANTIS (GALILEO Probe) |
| 560.139 | Fri May 18 1990 14:26 | | 9 lines |
| 560.141 | Fri May 18 1990 15:49 | | 8 lines |
| 560.143 | Fri May 18 1990 17:21 | | 8 lines |
| 560.145 | Fri May 18 1990 18:43 | | 4 lines |
| 560.150 | Thu May 31 1990 18:32 | | 15 lines |
TOPIC | 565.0 | Fire and Ice |
| 565.39 | Thu May 10 1990 05:21 | | 23 lines |
TOPIC | 608.0 | Space Shuttle Development - A retrospective |
| 608.2 | Thu Apr 19 1990 16:25 | | 13 lines |
TOPIC | 611.0 | STS-35 COLUMBIA (ASTRO-1) |
| 611.48 | Fri Jun 01 1990 20:33 | | 27 lines |
| 611.50 | Fri Jun 01 1990 23:28 | | 6 lines |
| 611.52 | Sat Jun 02 1990 16:24 | | 22 lines |
TOPIC | 612.0 | Hubble Space Telescope Status/News |
| 612.7 | Wed May 02 1990 15:10 | | 11 lines |
| 612.10 | Thu May 03 1990 12:20 | | 9 lines |
| 612.22 | Wed May 09 1990 19:19 | | 16 lines |
TOPIC | 617.0 | SHUTTLE SALES |
| 617.3 | Thu May 17 1990 18:01 | Billlllions and Billllllions | 12 lines |
| 617.8 | Mon May 21 1990 14:41 | | 5 lines |