The Armagh Observatory's Simon Jeffery tells Helen Mark about his discovery of eight stars many times hotter than the sun, and how he named one of them. Helen also visits White Park Bay on the North Antrim Coast with marine geologist Professor Andrew Cooper... a beach with sand that has travelled many miles.
The Armagh Observatory's Simon Jeffery tells Helen Mark about his discovery of eight stars many times hotter than the sun, and how he named one of them. Helen also visits White Park Bay on the North Antrim Coast with marine geologist Professor Andrew Cooper... a beach with sand that has travelled many miles.