History on Nostr: NASA’s giant Echo satellites in the 1960s. Essentially enormous metallic balloons ...
NASA’s giant Echo satellites in the 1960s. Essentially enormous metallic balloons designed to reflect radio signals across the planet.
History
npub1pg…r0fg9
2026-10-16 15:30:30 UTC
Author Public Key
npub1pgpx2jf6k7kt7sut5y7cw0rhv8w39nnqme8ta2kv9fe5am6eya7q9r0fg9Published at
2026-10-16 15:30:30 UTCEvent JSON
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