HELIOSPHERE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does heliosphere mean? 

• HELIOSPHERE (noun)
  The noun HELIOSPHERE has 1 sense:

1. the region inside the heliopause containing the sun and solar system

  Familiarity information: HELIOSPHERE used as a noun is very rare.

 Dictionary entry details 

• HELIOSPHERE (noun)

Sense 1

Meaning:

The region inside the heliopause containing the sun and solar system

Classified under:

Nouns denoting spatial position

Hypernyms ("heliosphere" is a kind of...):

part; region (the extended spatial location of something)

Meronyms (parts of "heliosphere"):

solar system (the sun with the celestial bodies that revolve around it in its gravitational field)

Holonyms ("heliosphere" is a part of...):

Milky Way; Milky Way Galaxy; Milky Way System (the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky)

 Context examples 

Once Voyager 2 exits the heliosphere, it will become the second human-made object, after Voyager 1, to enter interstellar space.

(NASA Voyager 2 Could Be Nearing Interstellar Space, NASA)

The solar wind washes over the planets, moons and other bodies in our solar system, filling a bubble of space — called the heliosphere — that extends far past the orbit of Pluto.

(NASA Mission Reveals Origins of Moon's 'Sunburn', NASA)

The mission has not left the solar system — it has yet to reach a final halo of comets surrounding our sun — but it broke through the wind-blown bubble, or heliosphere, encasing our sun.

(Sun sends more 'tsunami waves' to Voyager 1, NASA)

Voyager scientists have been watching for the spacecraft to reach the outer boundary of the heliosphere, known as the heliopause.

(NASA Voyager 2 Could Be Nearing Interstellar Space, NASA)

Since 2007 the probe has been traveling through the outermost layer of the heliosphere — the vast bubble around the Sun and the planets dominated by solar material and magnetic fields.

(NASA Voyager 2 Could Be Nearing Interstellar Space, NASA)

Some of these cosmic rays are blocked by the heliosphere, so mission planners expect that Voyager 2 will measure an increase in the rate of cosmic rays as it approaches and crosses the boundary of the heliosphere.

(NASA Voyager 2 Could Be Nearing Interstellar Space, NASA)