Youtube video of the known Universe to scale.
The
Nine Planets multimedia tour of the solar system
An
Internet Astronomy course
Stephen
Hawking's Universe
SETI
and 
(USS
Matrix SETI@Home Team page), a project to use thousands of (momentarily
dorment) private Internet connected PC's together as one huge supercomputer
to do chunks of the calculations needed to detect intelligent communication
in recorded signals from the worlds largest radio telescope.
The
National Space Society, a pro Space exploration group
The
Planetary Society was founded in 1980 by Drs. Carl Sagan, Bruce Murray
and Louis Friedman to encourage the exploration of our solar system and
the search for extraterrestrial life. The Society is a non-profit, non-governmental
organization, funded by dues and donations from individuals around the
world.
SpaceWander.com
simulated space flight
My personal
set of links to Astronomy Web pages
Commercial
Sky
& Telescope Magazine
Astronomy
Magazine
Discovery
Magazine's Space guide
MSNBC
Space News
Space.com
Britain's
Astronomy Now (online)
So is this
a Star Trek page or an Astronomy page or what? Well...
Chief Stellar
Cartographer's Office
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to Science deck