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Space Exploration


The Last Frontier; November 2012; by John Matson; 1 Page(s)
Physicists try to puzzle out Voyager 1's position as it approaches interstellar space

This Way to Mars; December 2011; by Damon Landau; Nathan J. Strange; 8 Page(s)
By adapting ideas from robotic planetary exploration, the human space program could get astronauts to asteroids and Mars cheaply and quickly

Bugs in Space; November 2010; by Charles Q. Choi; 1 Page(s)
Microscopic miners could help humans thrive on other planets

Planets We Could Call Home; August 2010; by Dimitar D. Sasselov and Diana Valencia; 8 Page(s)
The night skies are littered with distant planets, but what are they really like? Theoretical models suggest that a surprising number of "exoplanets" could be similar to Earth—and may even support life

Critical Mass - Space, the Final Frontier?; January 2010; by Lawrence M. Krauss; 1 Page(s)
Let's stop kidding ourselves about why we really want to go back to the moon

From the Moon to Mars; July 2009; by Harrison H. Schmitt; 8 Page(s)
The only scientist and field geologist ever to visit the moon offers some pointers to those who will one day visit Mars

New Dawn for Electric Rockets; February 2009; by Edgar Y. Choueiri; 8 Page(s)
Efficient electric plasma engines are propelling the next generation of space probes to the outer solar system

Stirling in Deep Space; March 2008; by Mark Wolverton; 1 Page(s)
To cut back on radioisotope fuel, NASA goes back 200 years

Martian Rope Trick; February 2007; by George Musser; 2 Page(s)
NASA rewrites the book on Martian landings

Power for a Space Plane; August 2006; by Thomas A. Jackson; 8 Page(s)
Creating a revolutionary hypersonic jet engine that could propel a space plane to orbit affordably and routinely is a tough but seemingly achievable task

Father of Spirit and Opportunity; October 2004; by David Appell; 2 Page(s)
With the success of twin rovers on the Red Planet, Steven W. Squyres and his team are showing how to conduct robotic missions--and setting the stage for human exploration (also in : Great Minds)

Electrodynamic Tethers in Space; August 2004; by Enrico Lorenzini and Juan Sanmartín; 8 Page(s)
By exploiting fundamental physical laws, tethers may provide low-cost eletrical power, drag, thrust, and artificial gravity for spaceflight (also in: Extreme Engineering)

The Spirit of Exploration; March 2004; by George Musser; 6 Page(s)
NASA's rover fights the curse of the Angry Red Planet (also in: Extreme Engineering)

Sailing on Sunlight; July 2001; by Mark Alpert; 1 page(s)
A low-cost mission to launch the first solar sail

The Way to Go in Space; February 1999; by Beardsley; 17 page(s)
To go farther into space, humans will first have to figure out how to get there cheaply and more efficiently. Ideas are not in short supply
[also in The Future of Space Exploration; Scientific American Presents[

Light Sails; February 1999; by Harris; 2 page(s)
Science-fiction dreams of worlds beyond our own solar system have taken on a more realistic aspect since astronomers discovered that the universe contains planets in unexpectedly large numbers
[also in The Future of Space Exploration; Scientific American Presents]

The Big, The Small/Life in Space; Extreme Engineering; by Beardsley; 2 Page(s)
The International Space Station, the only extraterrestrial construction project, will be ready for inhabitants by March 2000

The Powerful, The Strong, The Fast /Harder Than Rocket Science; Extreme Engineering; by Howard; 4 Page(s)
If launching a rocket to the moon sounds tough, try flying an aircraft into space at speeds topping Mach 20

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Below are collections of Scientific American articles

Scientific American Presents

The Future of Space Exploration
The Flagships of the Space Fleet; by Staff Editors; 14 Page(s)
By exploring planets, moons, asteroids and comets, these spacecraft are extending the frontiers of human knowledge

Key Space Explorations of the Next Decade; by Staff Editor; 2 Page(s)

The International Space Station: A Work in Progress; by Beardsley; 4 Page(s)
The U.S. and its international partners are finally building a space station, even as they continue to argue about the blueprints

Robots vs Humans - Who Should Explore Space?; by Slakey, Spudis; 7 Page(s)
Unmanned spacecraft are exploring the solar system more cheaply and effectively than astronauts are - Astronaut explorers can perform science in space that robots cannot

The Mars Pathfinder Mission; by Golombek; 8 Page(s)
The first rover to explore Mars found in situ evidence that the Red Planet may once have been hospitable to life

What's Next for Mars; by Zorpette; 6 Page(s)
In the coming decade the planet named for the god of war will be the target of a scientific armada from Earth. Researchers hope to settle many questions about Mars, including whether life ever flourished there

Sending Humans to Mars; by Zubrin; 6 Page(s)
A leading advocate of manned misions to Mars outlines a plan t land astronauts on the Red Planet in the next decade.

Bringing Life to Mars; by McKay; 6 Page(s)
Climate models suggest that human beings could transform the Red Planet into a more Earth-like world using current technologies

The Way to Go in Space; by Beardsley; 18 Page(s)
To go farther into space, humans will first have to figure out how to get there cheaply and more efficiently. Ideas are not in short supply

Air-Breathing Engines; by McClinton; 2 Page(s)
For years, engineers have dreamed of building an aircraft that could reach hypersonic speeds, greater than Mach 5, or five times the speed of sound.

Space Tethers; by Forward, Hoyt; 2 Page(s)
When humans begin to inhabit the moon and planets other than Earth, they may not use the modern technology of rockets.

Highways of Light; by Myrabo; 2 Page(s)
Today's spacecraft carry their source of power.

Light Sails; by Harris; 2 Page(s)
Science-fiction dreams of worlds beyond our own solar system have taken on a more realistic aspect since astromomers discovered that the universe contains planets in unexpectedly large numbers.

Compact Nuclear Rockets; by Powell; 2 Page(s)
Someday, in exploring the outer planets of our solar system, humankind will want to do more than send diminutive probes that merely fly rapidly by them.

Reaching for the Stars; by Leifer; 2 Page(s)
The notion of traveling to the stars is a concept compelling enough to recur in counteless cultural artifacts, from Roman poetry to 20th-century popular music.

The Best Targets for Future Exploration; by Staff Editors; 12 Page(s)
So much to see, so little money.

Interstellar Spaceflight: Can We Travel to Other Stars?; by Ferris; 4 Page(s)
Small self-replicating probes could be launched on interstellar journeys. Creating a galactic Internet may yield even greater benefits

Making Money in Space; by Alpert; 4 Page(s)
Exploring the solar system turns out to be the easy part. The next great challenge will be creating profitable space enterprises.

New Satellites for Personal Communications; by Evans; 4 Page(s)
Fleets of satellites will soon make it possible to reach someone anywhere on Earth, using nothing more than a small handset

Tapping the Waters of Space; by Lewis; 4 Page(s)
Space travel could be considerably cheaper if astronauts could produce their own food and propellants from the resources already out there

Exploring Space on the Internet; by Staff Editor; 1 Page(s)
Thanks to the World Wide Web, anyone with an Internet connection can explore space vicariously, browsing through dozens of Web sites for the latest news about space missions and projects.


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