extragalactic

Meanings

• adjective

  Relating to or situated outside the solar system.

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Variants

List of all variants of extragalactic that leads to same result
extragalactic

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Etymology

origin and the way in which meanings have changed throughout history.

From the Latin extra 'outside' and galactic 'relating to a galaxy'.

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. The first evidence of extragalactic hydrogen was discovered in 1925 by Edwin Hubble.

2. There are over 100 billion galaxies in the observable universe.

3. The largest known structure in the universe, the 'Hercules-Corona Borealis Great Wall', is an extragalactic structure.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Galaxy: A large system of stars, planets, gas, and dust that is bound together by gravity.

2. Quasar: A distant, extremely luminous, active galactic core.

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Culture

Any cultural, historical, or symbolic significance of the word. Explore how the word has been used in literature, art, music, or other forms of expression.

In astronomy, the term 'extragalactic' refers to objects and phenomena located outside our Milky Way galaxy. It includes stars, galaxies, quasars, and other cosmic structures.

How to Memorize "extragalactic"

1. visualize
   

   - Imagine the solar system as a small ball, and everything beyond that is extragalactic.

2. associate
   

   - Associate the word 'extragalactic' with the concept of 'outer space' or 'beyond our galaxy'.

3. mnemonics
   

   - Create a mnemonic like 'Explore galaxies that are far, far away' to remember the meaning of 'extragalactic'.

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