Dr Alastair Gunn

Alastair is a radio astronomer at the Jodrell Bank Centre for Astrophysics at the University of Manchester.

Recent articles by Dr Alastair Gunn

How dense is the Universe? © Getty Images

How dense is the Universe?

Do all galaxies spin in the same direction? © Getty Images

Do all galaxies spin in the same direction?

What is a parsec? © Disney / Lucasfilm

What is a parsec?

What would faster-than-light (hyperspace) travel look like? Star Wars: The Force Awakens Trailer (Official) (YouTube/Star Wars)

What would faster-than-light (hyperspace) travel look like?

Could Jupiter become a star? © NASA

Could Jupiter become a star?

Do other planets influence Earth’s tides? © Getty Images

Do other planets influence Earth’s tides?

How do stars die? © Getty Images

How do stars die?

What is the biggest a moon can be in relation to its mother planet? © New Horizons, ESA

What is the biggest a moon can be in relation to its mother planet?

Could you throw a frisbee on Mars? © Getty Images

Could you throw a Frisbee on Mars?

What if Earth had two moons? © Getty Images

What if Earth had two moons?

How fast would Earth need to spin for humans to be thrown into space?

How fast would Earth need to spin for humans to be thrown into space?

Why is there poo on the Moon? © Getty Images

Why is there poo on the Moon?

Why do planets orbit in the same direction? © Getty Images

Why do planets orbit in the same direction?

Could you walk on a neutron star? © Getty Images

Could you walk on a neutron star?

What is the most reflective body in the Solar System? © Getty Images

What is the most reflective body in the Solar System?