AaS! 38: How Do We See Beyond the Visible?

How do we track dangerous asteroids? What can impacts do to us? What do we plan to do if The Big One is headed for us? Is Armageddon a documentary? I discuss these questions and more in today's Ask a ...

5 Mars 202440min

Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped? What the heck is a "barred spiral" and what does that have to do with our core? I discuss these questions an...

20 Feb 202437min

How do we achieve nuclear fusion in the laboratory? What are some experiments that are trying to achieve fusion power generation? Why is it so difficult? I discuss these questions and more in today's ...

6 Feb 202439min

Is evolution universal throughout the cosmos? What are the different forms that life can take? When did life first appear in the universe? I discuss these questions and more in today's Ask a Spaceman!...

16 Jan 202440min

What forces people to lose trust in science? How does this affect the process of science itself? What are scientists doing to make this worse? How can we fix it? In this special episode themed from my...

2 Jan 202446min

What's floating around in space between all the stuff? Are there any truly empty places in the universe? What is the "fabric" of spacetime? I discuss these questions and more in today's Ask a Spaceman...

19 Dec 202344min

How were ancient people able to predict eclipses so well? How did they make predictions without modern science? What were they able to discover? I discuss these questions and more in today's Ask a Spa...

5 Dec 202338min

What processes create all the elements? Why are some elements more common than others? How does fusion happen inside and outside of a star? I discuss these questions and more in today's Ask a Spaceman...

21 Nov 202341min