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Order your free Star Guide

Order your free Star Guide
Introductory level Updated 05 Feb 2016
Learn more about the fascinating objects in the night sky with your free Star Guide 

Discover Mercury: Safety advice for the Transit of Mercury

Featuring: VideoVideo
Discover Mercury: Safety advice for the Transit of Mercury Creative commons image The Open University under Creative Commons BY-NC-SA 4.0 license New content
Introductory level Duration 10 mins Updated 26 Jan 2016
If you're planning on watching the Transit of Mercury, it's vital to take some basic steps to protect your sight. Here's some advice on how.