That distance, engineers estimate, is around 2, 034 feet (620 meters).
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That, in turn, made it possible to estimate the distance and size of the sun.
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That distance, GeoTech engineers estimate, is 624 meters.
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The momentum argument gives an easy estimate of what this maximum distance is.
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But it is very difficult to estimate size of a species from a distance - especially if you are unfamiliar with them.
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Gould's estimate of a 15, 000-light-year distance to the new planet is an approximation, and he says he will need more data to refine the number.
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