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.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code:

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.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code:

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.

User Contributions:

Comment about this article or add new information about this topic:

Comment:  (50-4000 characters)

Name:

E-mail:

Security Code: