geraint
The Hubble Space Telescope launched in 1990. It is named after the American astronomer who found our universe was expanding. Ninety years on, with much better k…
One star, observed in outback Australia, may hold new clues to dark matter and black holes. It's a milky way neighbour but moving very fast. Prof Geraint Lewis …
Seventy-five percent can be described by Einstein. The remainder? It drove Albert to question his work till his dying day. Dr Karl and Dr Lewis discuss evidence…
What happens when you squeeze a star ? Dr Karl gets inside one with Professor G. Lewis. They travel from the subatomic level up with the latest on Neutron Stars…
It's part two of the Neutron star exploration with Professor G. Lewis. He takes Dr Karl layer by layer down to the core. Things are so squashed in there that qu…
What does "proving" a theory really mean ? Is there a difference between Scientifically proving or proving it Mathematically ? Dr Karl and Prof Geraint Lewis di…
First observed in 2007, FRBs are becoming a very useful astronomical tool. In 2020, flashes were analysed and suggested an answer to that age-old question about…
Ninety years ago we first measured the rate of our expanding Universe. Today our accuracy is better but the new techniques are producing different numbers. Are …
2020 is a milestone in space travel. The International Space Station received astronauts from a privately owned mission. So how do the USA's shuttle, Russia's S…
Entropy comes from the Greek word for transformation. It is often used to describe the irreversible evening-out of stuff. In astronomy it is often called "the H…
