heliosphere
noun
he·li·o·sphere
ˈhē-lē-ə-ˌsfir 
-ō-
-ō-
: the region in space influenced by the sun or solar wind
Examples of heliosphere in a Sentence
Recent Examples on the Web
Passage through one cloud in particular, located in the Lynx constellation, might have sent the heliosphere out of whack.
—
Christian Thorsberg, Smithsonian Magazine, 14 June 2024
Both are in interstellar space and the only spacecraft to operate beyond the heliosphere — the sun’s bubble of magnetic fields and particles that extends well beyond Pluto’s orbit.
—Ashley Strickland, CNN, 18 June 2024
Typically, Earth and all our solar system’s planets are enveloped in a protective, giant bubble of plasma from the sun known as the heliosphere.
—Christian Thorsberg, Smithsonian Magazine, 14 June 2024
Inside the heliosphere, space is dominated by particles of the solar wind, while outside of it, cosmic rays reign.
—Meghan Bartels, Scientific American, 14 June 2024
See all Example Sentences for heliosphere 
Christian Thorsberg, Smithsonian Magazine, 14 June 2024
Both are in interstellar space and the only spacecraft to operate beyond the heliosphere — the sun’s bubble of magnetic fields and particles that extends well beyond Pluto’s orbit.
—Ashley Strickland, CNN, 18 June 2024
Typically, Earth and all our solar system’s planets are enveloped in a protective, giant bubble of plasma from the sun known as the heliosphere.
—Christian Thorsberg, Smithsonian Magazine, 14 June 2024
Inside the heliosphere, space is dominated by particles of the solar wind, while outside of it, cosmic rays reign.
—Meghan Bartels, Scientific American, 14 June 2024
See all Example Sentences for heliosphere
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'heliosphere.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Heliosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliosphere. Accessed 27 Jul. 2024.
Copy CitationKids Definition
heliosphere
noun
he·li·o·sphere
ˈhē-lē-ə-ˌsfir
-ō-
-ō-
: the region of space that is affected by the sun or solar wind
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