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worldspirit posters |
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worldspirit posters |
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| A tiny fragment of the sky, equal to 1/10 full Moon diameter, this deepest ever shot of the universe ranges from distant 13 billion year old galaxies to spiral 1 billion year old ones. | |||
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- With planet to galaxy scale at the bottom.
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| Alpha Centauri, the nearest star in the Milky Way to Earth is 4.3 Light Years away, 25-50,000 years journey time by spaceship. | The speed of light ( 670 million mph ) is 19,000 times faster than our fastest Voyager spaceships ( 36,000 mph ), itself 60 times faster than a standard passenger jet ( 600 mph ). | ||
