light year

1. A unit of length used to measure extremely large distances, equal to approximately 9.46 trillion kilometres 10 trillion kilometres (10¹⁶ metres), equivalent to the distance light travels in one Julian year.

   Lichtjahr

   светово́й годsvetovój god

   світлови́й рікsvitlovýj rik

   the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers

2. (figuratively, in the plural, informal)A very long way.

   The marathon runner in the lead is light years ahead of the one at the back.

3. (figuratively, in the plural, informal)A very long time.

   Some of Leonardo da Vinci’s inventions were light years ahead of their time.

1. Tom was lighter me last year, but now he's heavier.

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2. Northern lights appear all year round in Greenland.

   ruСеверное сияние в Гренландии появляется на протяжении всего года. — odexed

   deNordlichter treten in Grönland das ganze Jahr über auf. — Pfirsichbaeumchen

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3. This star is five light years away.

   deDieser Stern ist fünf Lichtjahre weit weg. — Pfirsichbaeumchen

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4. What does the expression light-year mean?

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5. The planet is light years off our course.

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