World Space Week
4 October 2026 — Beep-beep! I'm circling Earth and waving from orbit!
World Space Week is held every year from 4 to 10 October. The dates mark two events: the launch of the first artificial satellite, Sputnik 1, on 4 October 1957, and the entry into force of the Outer Space Treaty on 10 October 1967. The treaty laid the foundations of international space law and established that space is to be used for peaceful purposes and cannot be claimed by any nation. The UN General Assembly proclaimed the week in 1999, and it was first celebrated in 2000. Each year has a theme, and schools, museums, observatories and space agencies organise talks, stargazing nights, exhibitions and workshops for children. The week is a reminder that space is a shared concern for all people. With the naked eye you can see bright satellites, such as the International Space Station, crossing the night sky like slowly moving stars. The best time to look is shortly after sunset or before sunrise.
Flying across the sky: An ethereal, bluish-silver star figure made of bright dots and lines, like a constellation drifting across the sky: a small round satellite with four long antennas, circling in a gentle orbit and leaving a faint trail of twinkling points
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