heliosphere
Use Heliosphere in a sentence
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Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
heliosphere (ˈhiːlɪəʊˌsfɪə) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| the region around the sun outside of which the sun's influence is negligible and interstellar space begins | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Heliosphere
is always a great word to know.
So is doohickey. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a gadget; dingus; thingumbob. |
American Heritage
Science Dictionary
| heliosphere (hē'lē-ə-sfîr') Pronunciation Key
The large, roughly elliptical region of space around the Sun through which the solar wind extends and through which the Sun exerts a magnetic influence. The heliosphere extends well beyond the orbits of the planets, and its shape and extent fluctuate with changes to the solar wind and other influences. ◇ The boundary between the heliosphere and interstellar space is known as the heliopause. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
The heliosphere is a bubble that surrounds our entire solar system and is inflated.
Particles streaming from the sun create solar winds, which form a bubble around the solar system dubbed the heliosphere.
The sun has a magnetic field, the heliosphere, which envelops our entire solar system.
The system travels within a bubble of solar wind-made of charged particles from the sun-called the heliosphere.
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