Ad Astra 2001 Frank Sietzen - Abstracts
| Ad Astra 2001 Frank Sietzen | |||||
| Title | Subject | Authors | |||
|---|---|---|---|---|---|
| Countdown: thanks to the Red Dog.(former astronaut David M. Walker passes away)(Obituary) | Astronomy | Frank Sietzen | |||
| Space in the summer doldrums.(Countdown)(Column) | Astronomy | Frank Sietzen | |||
| Space is essential to us all.(Countdown) | Astronomy | Frank Sietzen | |||
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