radio halo

noun

A diffuse region of material, surrounding a galaxy or a pulsar, that emits radio waves.

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Meanings

nounradio halo (plural radio halos)

plural radio halos

  1. astronomyA diffuse region of material, surrounding a galaxy or a pulsar, that emits radio waves.
Cite this entry
APA

radio halo. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/radio%20halo

MLA

“radio halo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/radio%20halo. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “radio halo,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/radio%20halo.

Source: radio halo on Wiktionary, CC BY-SA 4.0.