NASA History Office

This source backs 159 claims across the atlas. As facts: 99 well-attested, 2 scholarly debate. As cited relationships: 29 holds, 2 connected. Plus 27 entities citing it as a general reference with no single fact or relationship attached.

Disposition By Topic

• Launch Vehicles, 72 claims: 48 well-attested, 9 holds, 2 connected, 13 general references.
• Missions and Programs, 37 claims: 23 well-attested, 2 scholarly debate, 6 holds, 6 general references.
• Spacecraft, 18 claims: 10 well-attested, 5 holds, 3 general references.
• Pioneers, 11 claims: 7 well-attested, 2 holds, 2 general references.
• Astronauts and Cosmonauts, 7 claims: 7 holds.
• Space Agencies and Companies, 7 claims: 6 well-attested, 1 general references.
• Sources, 3 claims: 3 well-attested.
• Articles, 2 claims: 1 well-attested, 1 general references.
• Categories, 2 claims: 1 well-attested, 1 general references.