ssi.org 的前十大競爭對手

space-frontier.org

Space Frontier Foundation is an organization of people dedicated to opening the Space Frontier to human settlement as rapidly as possible.

nss.org

Planetary Defense https://www.youtube.com/watch?v=OnHmVz5odbIThe Earth is silently but continuously threatened by near-Earth objects—asteroids—some of which we will not spot until it is too late.The National Space Society works tirelessly to urge Congress to address these potential Earth-wrecking objects, but much remains to be done. You can make a donation to help protect our planet at go.nss.org/defendearth.There are

spacefuture.com

space future is for everyone who'd like to visit space. features include the archive of space tourism work, information on vehicles, tourism and power plus mailing lists and the space future journal.

asi.org

main entrance for the artemis project, an international venture to establish a privately owned and operated exploration base on the moon.

marssociety.org

The Mars Society is pleased to announce that Dr. Bhavya Lal, professor of Space Policy at the RAND School of Public Policy and former NASA Associate Administrator for Technology, Policy, and Strategy, will be the featured guest on our next Red Planet Live podcast. The program will take place on Tuesday, September 2nd at 5:00 pm PT and will be hosted by Ashton Zeth. Dr. Lal has had a remarkable career in space leadership and policy, having served as the... READ MORE >

bis-spaceflight.com

the british interplanetary society promotes the exploration of space through all aspects of astronautics for the benefit of humanity.

permanent.com

near earth asteroid mining, the moon, lunar polar volatiles, and space colonization

space.edu

The John D. Odegard School of Aerospace Sciences operates one of the largest fleets of civilian aircraft in North America.

giss.nasa.gov

research at the nasa goddard institute for space studies (giss) emphasizes a broad study of global change.