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
Together, the quartet will function as one instrument to make global, 3D observations of the entire inner heliosphere.
—
Sharmila Kuthunur, Space.com, 8 Mar. 2025
The Voyager team used data from the instrument to determine exactly when and where Voyager 1 exited the heliosphere and entered interstellar space.
—Ashley Strickland, CNN, 5 Mar. 2025
For years, the cosmic ray subsystem’s three-telescope array observed fluctuations from protons and other deep space energies, and was integral in determining when and where Voyager 1 exited the heliosphere.
—Andrew Paul, Popular Science, 5 Mar. 2025
This is important because the solar wind ricochets around the bubble our solar system sits within, known as the heliosphere; the edges of that bubble represent the barrier between our cosmic neighborhood and the rest of the universe.
—Monisha Ravisetti, Space.com, 27 Feb. 2025
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Sharmila Kuthunur, Space.com, 8 Mar. 2025
The Voyager team used data from the instrument to determine exactly when and where Voyager 1 exited the heliosphere and entered interstellar space.
—Ashley Strickland, CNN, 5 Mar. 2025
For years, the cosmic ray subsystem’s three-telescope array observed fluctuations from protons and other deep space energies, and was integral in determining when and where Voyager 1 exited the heliosphere.
—Andrew Paul, Popular Science, 5 Mar. 2025
This is important because the solar wind ricochets around the bubble our solar system sits within, known as the heliosphere; the edges of that bubble represent the barrier between our cosmic neighborhood and the rest of the universe.
—Monisha Ravisetti, Space.com, 27 Feb. 2025
See All Example Sentences for heliosphere
Cite this Entry
“Heliosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliosphere. Accessed 24 Mar. 2025.
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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