magnetosphere
noun
mag·ne·to·sphere
mag-ˈnē-tə-ˌsfir 
-ˈne-
: a region of space surrounding a celestial object (such as a planet or star) that is dominated by the object's magnetic field so that charged particles are trapped in it
Examples of magnetosphere in a Sentence
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Neptune’s magnetosphere is large enough to envelop Triton.
—
Shi En Kim, Smithsonian Magazine, 5 Nov. 2024
These ejections can collide with Earth’s magnetosphere, the barrier protecting humanity from the harshest impacts of space weather, to produce geomagnetic storms.
—Eric Lagatta, USA TODAY, 1 Nov. 2024
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
Experts say the best times to see the lights are around the spring and fall equinoxes because of the way solar wind interacts with Earth’s magnetosphere to create larger geomagnetic storms.
—Molly Bohannon, Forbes, 4 Sep. 2024
See all Example Sentences for magnetosphere 
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Shi En Kim, Smithsonian Magazine, 5 Nov. 2024
These ejections can collide with Earth’s magnetosphere, the barrier protecting humanity from the harshest impacts of space weather, to produce geomagnetic storms.
—Eric Lagatta, USA TODAY, 1 Nov. 2024
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
Experts say the best times to see the lights are around the spring and fall equinoxes because of the way solar wind interacts with Earth’s magnetosphere to create larger geomagnetic storms.
—Molly Bohannon, Forbes, 4 Sep. 2024
See all Example Sentences for magnetosphere
Dictionary Entries Near magnetosphere
Cite this Entry
“Magnetosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetosphere. Accessed 16 Nov. 2024.
Copy CitationKids Definition
magnetosphere
noun
mag·ne·to·sphere
mag-ˈnēt-ə-ˌsfi(ə)r
-ˈnet-
: a region of space around an object (as a planet or star) that is dominated by the object's magnetic field
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