| A light year equals nearly 10 trillion kilometres, an unimaginable distance on its own. |
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| This ROSAT X-ray picture of the Coma cluster of galaxies shows a vast, 6 million light year wide cloud of this high-temperature gas. |
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| A light year is a convenient means of distance measurement because conventional means in miles or kilometers is so large as to thwart true appreciation. |
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| If a star exploded a light year away, the increased cosmic ray intensity could have killed the animals by giving them all an intense dose of radiation. |
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| A light year is a distance, not a time, and this has been corrected to say 13.7 billion years old. |
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| Neutrinos are ghostly particles that can travel through a light year of lead and they have no problem escaping directly from the core of a supernova. |
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| The cloud is nearly a light year from the sun, a quarter of the distance to our nearest neighbouring star, Proxima Centauri. |
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| Click, hold and drag the mouse over available light year choices and associate them with a heavenly body. |
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| An international team of scientists has used the 8-m Gemini North telescope to produce a dramatic view of the core of the Milky Way Galaxy, about 24,000 light year distant. |
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| A light year equals about 9.5 trillion kilometers. |
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| A short distance, to be sure, but at the time it felt like a light year. |
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| I don't understand and I still don't know what a light year is. |
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| We will suppose the mean distance between nearest stars in 1 light year. |
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| The light year is the distance of light in one year. |
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| Meet all your favourite characters Peppa Pig, Woody and Buzz Light Year, Telly Tubbies, Winnie the Pooh, Mr Blobby and Star Wars characters. |
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