| Title | Date |
| X-ray Afterglow of a Gamma-Ray Burst: The Grail Found? |  | Dec 27, 1999 |
| Soft X-ray emission from the Sun |  | Dec 20, 1999 |
| The Launch of XMM |  | Dec 13, 1999 |
| The ASTRO-E Mission |  | Dec 6, 1999 |
| An X-ray picture of the bright supernova remnant SN1006 |  | Nov 29, 1999 |
| The X-ray Multi-Mirror Mission |  | Nov 22, 1999 |
| X-ray Colors of Young Stars |  | Nov 15, 1999 |
| High Resolution X-ray Map of the Active Galaxy Centaurus A |  | Nov 8, 1999 |
| A High Resolution X-ray Map of the LMC |  | Nov 1, 1999 |
| X-ray Emission from the Crab Nebula |  | Oct 25, 1999 |
| The Chandra X-ray Observatory |  | Oct 18, 1999 |
| X-rays from a Cometary Impact |  | Oct 11, 1999 |
| The Universe at 100 MeV |  | Oct 4, 1999 |
| Variable X-ray Emission of the Extremely Luminous Star Eta Carinae |  | Sep 27, 1999 |
| Chandra Observation of the Supernova Remnant Cas A |  | Sep 20, 1999 |
