Science and U: Perseverance Lands Safely on Mars

Dr. Weiping Yu returns with another brand new segment of Science and U. The physicist comments on the latest news that the NASA rover Perseverance has landed on Mars and has begun searching for signs of ancient life. How are the prospects looking for future colonization on Mars? Dr. Yu also comments on a new theoretical model that says magnetic fields help shape the formation of new planets. Is gravity just a part of magnetic attraction? Do galaxies have magnetic fields too? Listen to the full segment to find out.