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the claim

Light waves can travel through a vacuum.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that light waves can travel through a vacuum?

Yes. Multiple reference and textbook sources state directly that light waves can travel through a vacuum, and one peer-reviewed source notes only electromagnetic and gravitational waves can do so.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Why do all electromagnetic waves travel at the same speed when travelling through vacuum?
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Why do all electromagnetic waves travel at the same speed when travelling through vacuum?. (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/321667

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More for · 6
How is a vacuum able to propagate light?
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How is a vacuum able to propagate light?. (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/109982/how-is-a-vacuum-able-to-propagate-light

Do electromagnetic waves (such as light) really slow down in dielectrics?
2026
Get citation
Do electromagnetic waves (such as light) really slow down in dielectrics?. (2026). doi.org. https://doi.org/10.1088/1361-6404/ae60b5

Waves : energy on the move
2006
Get citation
R, S. D. (2006). Waves : energy on the move. archive.org. https://archive.org/details/wavesenergyonmov0000stil

Turning up the heat : energy
2005
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1956-, F. A. (2005). Turning up the heat : energy. archive.org. https://archive.org/details/turningupheatene0000full

Diving into the World of Sound and Light, Understanding Their Properties, Propagation and Uses
2025
Get citation
Diving into the World of Sound and Light, Understanding Their Properties, Propagation and Uses. (2025). doi.org. https://doi.org/10.58471/ju-pendi.v3i01.405

Where to look in the electromagnetic spectrum?
2009
Get citation
Where to look in the electromagnetic spectrum?. (2009). doi.org. https://doi.org/10.1007/978-0-387-74070-6_7

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