Program archive

Foundational Satellites

Sputnik 1, Explorer 1, and Vanguard 1 established artificial Earth orbit, space science, tracking, solar power, and the institutional momentum that created modern space programs.

Missions: 3
People: 0
Vehicles: 3

Explore this program

Choose a path through the Foundational Satellites archive.

Currently viewing · Photos

Foundational Satellites photos

Mission insignia, imagery, and direct links into every archived record.

Showing photos 1–3 of 312 per page

Sputnik 1Mission image

Explorer 1Mission image

Vanguard 1Mission image

Official collections and references

Program photography, histories, and source collections for deeper exploration.

NASA Dawn of the Space Age

Sputnik's launch, spacecraft, orbit, and historical impact.

Open official resource →

NASA Vanguard 1

The first solar-powered satellite and oldest object still orbiting Earth.

Open official resource →

Program archive

Foundational Satellites

Sputnik 1, Explorer 1, and Vanguard 1 established artificial Earth orbit, space science, tracking, solar power, and the institutional momentum that created modern space programs.

Missions: 3
People: 0
Vehicles: 3

Explore this program

Choose a path through the Foundational Satellites archive.

Currently viewing · Photos

Foundational Satellites photos

Mission insignia, imagery, and direct links into every archived record.

Showing photos 1–3 of 312 per page

Sputnik 1Mission image

Explorer 1Mission image

Vanguard 1Mission image

Official collections and references

Program photography, histories, and source collections for deeper exploration.

NASA Dawn of the Space Age

Sputnik's launch, spacecraft, orbit, and historical impact.

Open official resource →

NASA Vanguard 1

The first solar-powered satellite and oldest object still orbiting Earth.

Open official resource →