Map Monday: a wellness check on the water that makes our planet the Pale Blue Dot

Thanks Jane for your work in providing some very insightful material and your commentary to support.

Robby Robin's Journey

This week’s Map Monday was inspired by a comment from a fellow blogger, who mentioned that some of the world maps I shared put her in mind of the Pale Blue Dot. Thanks, AM, I hadn’t thought of that expression for some time.

The expression Pale Blue Dot comes from this photograph of planet Earth, taken by the Voyager 1 space probe on Valentine’s Day, 1990. It was taken at a distance of about 6 billion kms (3.7 billion miles)! I’ve added the yellow arrow so you can find the (tiny) pale blue dot – our planet – more easily. Even from this unimaginable distance, the blueness of Earth is visible!

Pale Blue Dot (Wikipedia).

An earlier perspective of our planet from space, from a far closer distance, is this well-known picture of an earthrise, taken from lunar orbit on Christmas Eve 1968 by Apollo 8 astronaut William Anders. This…

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