World Space Week begins Oct 4, 2026

First, you build a rocket. Then you ask it to leave Earth, fly to the moon, survive the trip and bring its spacecraft home. Simple, right? Well, not quite. World Space Week, observed every 4-10 October, celebrates the science that makes missions like this possible. The United Nations established the observance in 1999 to commemorate Sputnik 1"s launch on 4 October 1957, and the entry into force of the Outer Space Treaty on 10 October 1967. This year"s theme, "Rocket Revolution," focuses on the evolving technology driving space exploration.

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Today in History

Golden cliffs of deep space
Oct 4, 2023World Space Week
Oct 4, 2024World Space Week begins
Oct 4, 2025World Space Week

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