Answers to Space Science Questions

North Carolina State University's Katie Mack answers our listener questions...

Test yourself on these physics facts and space head-scratchers!

Will the universe end up starless?

How do you deal with disease in space

And how dangerous are they?

Particle physicist Chris Rogers took on this huge question...

We've heard of black holes, what's a white hole?

How to steal speed from Saturn.

Pluto has Charon, Neptune has Triton...we just have Moon?

What happens if the Earth's magnetic field ever reverses its polarity? Geologist John Underhill explains...

And if so, is it growing or shrinking?

How much acceleration can the human body stand?

How do we choose who should colonise Mars?

"Will space tourism ever be affordable?"

What will be the impact of SpaceX's Starlink project?

... how do we detect the cosmic microwave background?

What temperature is the moon, with and without sunlight?

Aside from rocket...

...and what's it like?

Han Solo did the Kessel Run in less than 12 of them...

Carolin Crawford gives us a sense of scale...

Are they the same age? How do we know?

And if so, how? Physicist Ben McAllister explains all...