Tag Archives: mercury

Transit of Mercury

Every 13 or 33 years in May the planet Mercury wanders across the Earth’s view of the Sun. (This also happens in November, every 7, 13 or 33 years.) This event is called a transit and is extremely important in Astronomy.  The Transit of Venus, for example, was used to calculate the size of our solar system and looking for the slight dimming of distant stars caused by transiting planets is how we Continue reading Transit of Mercury

Facebooktwitterredditpinterestlinkedinmail