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interstellar space

interstellar space

4 6.0
The space between stars that contains gas, dust, and small particles
  • noun
  • /ˌɪntərˈstɛlər speɪs/
  • Specialized
translation icon : espacio interestelar
  • The prospect of leaving the solar system and exploring interstellar space was not really on his mind.
  • gas in interstellar space

Could you tell that you're in orbit and not somewhere in interstellar space?

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Examples

  • Radio astronomy also has revolutionized our understanding of interstellar space.

    Academic text (1996)
  • The high radio frequencies travel faster through the thin plasma of interstellar space than the lower frequencies.

    Academic text (2001)
  • So this is a region of interstellar space around our home system.

    Blog text (12)
  • Imagine out there in interstellar space near vacuum, nothing much going on.

  • Most of the gas in interstellar space is cool, dense, and dark.

    Academic text (1991)
  • No one really knows just what the boundary with interstellar space is like.

    Blog text (8)
  • Stars fill up an extraordinarily tiny volume of interstellar space.

    Academic text (2000)
  • How will you know when you have crossed the heliopause and are heading into interstellar space?

    Blog text (1)
  • Interstellar space contains a fine soot, about two dust grains per million cubic meters.

    Academic text (1991)
  • In August 2012, Voyager 1 passed out of the solar system and into interstellar space.

Synonyms

space
vsinterstellar space
2.0

The region beyond Earth's atmosphere where stars and planets are

is narrower meaning the region between stars rather than the whole universe
outer space
vsinterstellar space
91 3.0

The area beyond Earth's air where there is almost no air and you find stars and planets

is limited to between star regions inside a galaxy rather than near planets or Earth
deep space
vsinterstellar space
  • Specialized
25 6.4

An area far beyond the solar system, between stars and galaxies

is the area between stars within a galaxy rather than all distant regions
interstellar medium
vsinterstellar space
  • Specialized
1 7.7

The gas and dust that fill the space between stars in a galaxy

is the region that contains that matter rather than the matter itself

How Empty

intergalactic space
  • Specialized
1 7.5
interstellar space
  • Specialized
4 6.0
interplanetary space
  • Specialized
1 7.5
atmosphere
406 3.5

Surface Forms

Morphology

interstellar + space

The meaning is transparently compositional: 'interstellar' means 'between the stars' and 'space' means the physical cosmos, so 'interstellar space' straightforwardly denotes the space between stars. This literal, predictable combination follows common cross-linguistic patterns, so a B1 learner who knows the constituents should understand it.

Etymology

The noun interstellar space comes from two parts: inter meaning 'between' and stellar meaning 'star'. So it literally names the 'space between the stars', which is why we use it for the area of space found between stars.