Dr Alastair Gunn

Recent articles by Dr Alastair Gunn

Is space a perfect vacuum? © Getty Images

Is space a perfect vacuum?

Could we launch plastic into space to reduce pollution on Earth? © Getty Images

Everyday science

Could we launch plastic into space to reduce pollution on Earth?

Could we reuse any ISS modules for a Mars mission? © NASA

Could we reuse any ISS modules for a Mars mission?

Are there any animals that prepare or cook their food? © Getty

Are there any animals that prepare or cook their food?

Where did the Big Bang take place? © Getty Images

If we made a powerful enough telescope, would we theoretically be able to see the light from the Big Bang?

Could we ever move a planet into a more habitable orbit? © Getty

Could we ever move a planet into a more habitable orbit?

Could two planets share the same orbit without colliding? © Getty Images

Could two planets share the same orbit without colliding?

When I look to the stars, how far back am I seeing? © Getty Images

When I look to the stars, how far back am I seeing?

If all the asteroids in the asteroid belt had coalesced to form a planet, what size would it have been? © Getty

If all the asteroids in the asteroid belt had coalesced to form a planet, what size would it have been?

How tall is the Universe? © Getty

How tall is the Universe?

Do any other planets have tectonic plates? © Getty Images

Do any other planets have plate tectonics?

Why does the Earth spin? © Getty Images

Why does the Earth spin?

Is it true that Venus has its own form of rainbow? © ESA/MPS

Is it true that Venus has its own form of rainbow?

Does the Sun make a sound? © Getty

Does the Sun make a sound?