How can a “big rip” tear the Universe apart? What does that mean for existence itself? Is it going to happen, and what are we doing to find out? I discuss these questions and more in today’s Ask a Spaceman!
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?
Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped?
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?
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!
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?
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?
How were ancient people able to predict eclipses so well? How did they make predictions without modern science? What were they able to discover?
What processes create all the elements? Why are some elements more common than others? How does fusion happen inside and outside of a star?
How long have astronomers been using artificial intelligence? How do computers sift through massive amounts of data? Will AI discover something new about the universe?