Article written by: Heather Alexander
This article has been inspired by the many questions we get asked here at the Armagh Observatory and Planetarium. We love being asked questions but we thought it would be funny to have a look at the questions you really should never ask an Astronomer. We hope this gives you a bit of a laugh!
Can you name every star in the sky?
This is a silly question to ask anyone, not just an astronomer. Yes, we know a lot of star names, but to know all of them is impossible. You have to realise that some stars have names such as VY Canis Majoris, which is easy to remember, but others have names that are just a series of letters and numbers, which is not so easy to remember.
M13. Observed through binoculars this ‘fuzzy ball’ contains approximately 100 000 stars held together by their own gravity. Where open clusters contain mostly young stars and are more difficult to spot due to their loose structure, denser globular clusters like this one are composed primarily of different kinds of giant stars that are ‘in their old age’ and that have already ...