Article by Emeritus Director, Professor Mark Bailey
If skies are clear towards the south-east on the evening of 27th July 2018, sky-watchers will be able to see a rare total eclipse of the Moon. Seen from Armagh, the eclipse begins while the Moon is still below the horizon, shortly before sunset that evening. It is also just a week after the 49th anniversary of the Apollo 11 Moon Landing, as described in Armagh Director Michael Burton’s recent Astronotes blog article.
The Armagh Observatory and Planetarium are holding a special event to mark this eclipse, coming at almost the same time as the opposition of Mars. The event has proved so popular that tickets sold out within a couple of hours of being released, so we have written this blog entry to tell you about what will happen if you missed out on obtaining a ticket or are going to try to observe the eclipse from elsewhere.
A total eclipse of the Moon occurs when the Moon in its orbit around the Earth and the Sun passes directly through the Earth’s shadow, that is, when the Sun, Earth and Moon are aligned nearly exactly on a straight line with the Moon ...