quote · Legacy record
Our astronauts, when they go orbiting around the earth, they actually come back slightly younger than a twin that they would have on the planet Earth who was stationary. This is called the twin paradox.
Our astronauts, when they go orbiting around the earth, they actually come back slightly younger than a twin that they would have on the planet Earth who was stationary. This is called the twin paradox.
Approximate author period: c. 1947 AD · modern
Meaning not yet available
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Begin with source-checked readings and explanations ↗Attribution & collection notes
- Author or tradition
- Michio Kaku
Attribution: attributed - Country attributed
- Not established
A country attribution does not establish the earliest origin. - Historical period
- Approximate author period: c. 1947 AD · modern
Approximate author-period anchor from documented birth year 1947; activity date not established; Wikidata Q486882, https://www.wikidata.org/wiki/Q486882 (accessed 2026-10-08). Not a quotation composition date.
An author lifetime, approximate period or collection date is not necessarily the date when these words were first written or spoken. - Recorded source
- Contributor-provided quotation collection
Supplied reference C; CSV row 437715; supplied attribution, independently unverified
A collection's publication date can be later than the words it records.
