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
Three cups are pointed towards the Sun to record solar wind while inside the heliosphere, while the fourth is positioned at a right angle to the others to capture information on various planetary magnetospheres, the heliosphere, and interstellar space.
—
Andrew Paul, Popular Science, 2 Oct. 2024
Join 1 other in the comments View Comments The probe was the first spacecraft to cross the heliosphere — the sun’s bubble of magnetic fields and particles that extends beyond planetary orbits — and venture into interstellar space, or space between stars.
—Katie Hunt, CNN, 21 Sep. 2024
The probe operates beyond the heliosphere — the sun’s bubble of magnetic fields and particles that extends well beyond Pluto’s orbit — where its instruments directly sample interstellar space.
—Ashley Strickland, CNN, 16 Sep. 2024
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
See all Example Sentences for heliosphere 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Andrew Paul, Popular Science, 2 Oct. 2024
Join 1 other in the comments View Comments The probe was the first spacecraft to cross the heliosphere — the sun’s bubble of magnetic fields and particles that extends beyond planetary orbits — and venture into interstellar space, or space between stars.
—Katie Hunt, CNN, 21 Sep. 2024
The probe operates beyond the heliosphere — the sun’s bubble of magnetic fields and particles that extends well beyond Pluto’s orbit — where its instruments directly sample interstellar space.
—Ashley Strickland, CNN, 16 Sep. 2024
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
See all Example Sentences for heliosphere
Dictionary Entries Near heliosphere
Cite this Entry
“Heliosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliosphere. Accessed 21 Dec. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share