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
Could there be a time particle?
It's all wibbly, wobbly, timey, wimey stuff
What's the strangest satellite in space?
There are likely over 12,000 artificial objects in orbit around Earth, including some very strange satellites you might not expect to be there
Can liquids exist in space?
Even the simplest states of matter aren’t safe beyond Earth
What if we built a super-collider around the Moon?
Scientists have considered putting a super-collider on the Moon. What benefits would this have over the Large Hadron Collider at CERN?
What is the ekpyrotic Universe theory?
What if there was no beginning of time?
Why does Mars have such a weird shape?
It might have something to do with a missing, ancient moon named Nerio
What would a fusion energy disaster look like?
A nuclear fusion disaster would be nothing like a nuclear fission disaster
Have we ever intercepted anything from aliens?
We’ve detected strange things in space – just not aliens. Yet
How is antimatter stored?
Engineers at CERN are planning to store and transport antiprotons in a very-high vacuum enclosure
End of the Universe: 4 ways our cosmic apocalypse could unfold
A supercollider may one day help us predict the fate of the Universe. Scientists will use it to find a hidden instability built into the fabric of existence… one that could destroy everything.
When will the Milky Way and Andromeda galaxies collide?
Every hour, it gets 432,000km closer
How old is Jupiter's Great Red Spot, really?
How old is Jupiter's Great Red Spot? Recent research suggests it may not be as old as you thought.
If everything stopped spinning, would gravity cease to exist?
Yes, including you
How old is the Universe, really?
We might not know when the Big Bang actually was
Do we know what the cores of stars look like?
The centre of our nearest star is 10-20 million degrees, making it just a little too hot for us to visit.
What happens to time at the event horizon of a black hole?
You still won't want to fall into one.
What's the strongest material in the universe?
Out in space, one rather unique material stands supreme as the strongest around.
The most likely explanation for haunted houses, according to science
Are there really ghosts in your house, or is there a much simpler explanation going on?
Does gravity distort space, move things through it, or both?
More than 100 years on from the conception of Einstein’s General Theory of Relativity, it's still a challenge to wrap your head around.
Is it true we collect space dust in our hair when we’re outside?
Space dust keeps fallin' on my head.
Could we be living in a black hole?
Here's one to get your head spinning.
Would a planet need a Moon for life to evolve?
The Moon is a lot more than just our neighbour.
Could a black hole ever die?
Looks like they're not going anywhere anytime soon...
Is the Moon radioactive?
Turns out the Moon is pretty inhospitable. Who knew?