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?
What triggers ice ages and other climate events? How are sunspot cycles and orbital motions related to climate patterns? What does Jupiter have to do with all this?