Recycling our space program: no deposit ... no return
Article Abstract:
Governments of spacefaring nations need to exercise unwavering political will to develop reusable space transportation which can be used in space colonization. They should refrain from engaging in political rhetorics that tend to undermine sustainable space endeavors.
Publication Name: Ad Astra
Subject: Astronomy
ISSN: 1041-102X
Year: 1996
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Universal appeal
Article Abstract:
New observations by NASA's Hubble Space Telescope are rewriting astronomical text books. They include discovery of three new gamma-ray quasars, evidence of a black hole and proof of gravitational lensing.
Publication Name: Ad Astra
Subject: Astronomy
ISSN: 1041-102X
Year: 1992
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To the planets - on the cheap?
Article Abstract:
NASA'sDiscovery-class space probes represent an inexpensive and easily-built means ofexploring the solar system. Details of the Discovery missions are presented anddiscussed.
Publication Name: Ad Astra
Subject: Astronomy
ISSN: 1041-102X
Year: 1993
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