NASA Centennial Challenges

DARPA Grand Challenge 2004, 2005, 2007

NAE Grainger Challenge

Ansari X-Prize

Foreign nationality eligibility

No

Yes (except team leaders must be U.S. citizens)

No (U.S. citizen at U.S. institution or resident in the U.S. at the time of award)

Yes

Participants required to register

Yes

Yes

Yes

Yes

Screening of participants

Yes (for safety where applicable)

Yes

Yes (15 entries cleared for physical testing)

Yes (primarily for safety and seriousness)

IP rights

Contestant has title (NASA retains option for nonexclusive license)

Contestant has title (DARPA retains nonexclusive license)

Contestant has title (NAE obtains license in order to test)

Contestant has title

Media rights

Requires that contestants relinquish some media rights

Not in the rules

Not in the rules

Contestants relinquish some media rights

Intermediate awards

No

Yes

No

No

Funding source

NASA appropriations ($500,000 from private sources for $2.5 million Lunar Lander challenge)

DARPA appropriations

Nonprofit foundation

Insurance policy purchased with private funding

Administration

NGOs without compensation under Space Act agreements

DARPA

NAE

X-Prize Foundation

Future prizes

Planetary Unmanned Vehicle Challenge

2007 Urban Challenge; prize authority extended to other parts of DOD

Unknown

X-Prize Cup; Auto X; Genomics X



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