Is it possible to weigh things in space?
Answers to Physics Questions
Physics, cosmology, astrophysics, electricity, energy, forces, gravity, light and maths...
It was over to planetary geologist David Rothery
How do they work?
Chris Smith put this to physicist Jess Wade
Why does wearing wellies result in feeling pressure in a puddle, when going barefoot doesn't?
The whole panel joined in to tackle this listener question...
Why is there so much distance between them?
...and how do we know?
Why does the sea feel warmer at night?
Is it possible to weigh things in space?
Dark matter exists all throughout the universe...right?
The quantum world is strange, so what are entangled particles?
They're the stuff of sci-fi, but how do lasers actually work?
Things get very strange indeed inside a black hole, but what would Earth look like?
Sunsets on the red planet aren't what you'd expect...
It's like the reverse of asking a parent to select their favourite child...
And if so, how much light do we need?
Mathematician Bobby Seagull stuns us with stats.