Hoe ver is het naar Mars?

Hoe ver is het naar Mars?

Altijd willen weten hoe ver het is naar Mars, de Rode Planeet? Klik op de afbeelding en je weet het. Bron: It’s OK to be Smart.

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<blockquote class="wp-embedded-content"><a href="https://www.astroblogs.nl/2013/04/04/hoe-ver-is-het-naar-mars/">Hoe ver is het naar Mars?</a></blockquote>
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