How to pronounce heliosphere
American English pronunciation
HEE-lee-uh-sfeer
- IPA
- /ˈhiliəˌsfɪɹ/
- Syllables
- HEE · lee · uh · sfeer (4 syllables, stress on the 1st)
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What heliosphere means
The huge bubble of solar wind around the sun and planets
In a sentence: Far past the last planet, the spacecraft finally flew out of the heliosphere.
Where it comes from: It is made from helio-, from the Greek word for the sun, and sphere.
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