Recent Examples of heliosphere from the Web
To some scientists, those readings meant Voyager 1 had left the heliosphere.
But though scientists had measured the speed of the solar wind that forms the heliosphere, the properties of the matter beyond it had never been analyzed.
Less solar wind would mean that the heliosphere–a bubble around the solar system maintained by particles emitted from the sun–shrinks significantly.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heliosphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of heliosphere
First Known Use: 1967See Words from the same year
Seen and Heard
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