Sputnik 1

device · 1957 · Digital age

The first artificial Earth satellite.

What it is made of

• Radio — has part. It sent out a “beep-beep” radio signal.
• Antenna — has part. Four whip antennas.

Principles and materials it uses

• R-7 rocket — uses. Launched by an R-7 rocket.
• Aluminium — is made of. The sphere is an aluminium–magnesium alloy.

What it is a kind of

• Artificial satellite — is a kind of. The first satellite.

Take Sputnik 1 apart

Open Evothings