Almost the last word. (cover story)

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    • Abstract:
      Garry Trethewey Arkaroola, South Australia Assuming the sun had ignited, the first sunrise on Earth was the first day that the planet existed. The back pages Early riser When was the first sunrise on Earth? But actually, from Earth, we can see Mercury and Venus line up in four possible combinations (each planet on either side of the sun), so we can adopt about 10 years as the average line-up time. [Extracted from the article]