Hear stories about the alien moons orbiting our Sun, of cold stars, and the future of space exploration. Every week, scientist Dr. Carrie Nugent chats about an amazing part of our universe with an expert guest. Spacepod is the podcast that gives you an inside look into space exploration. Learn more: http://listentospacepod.com
http://www.listentospacepod.com
episode 208: Cosmic tug of war with Dr. Plazas Malagón
Dr. Andrés Plazas Malagón tells us about a field of astronomy called cosmology. He explains that either our universe is mostly made of mysterious stuff called dark energy, or the laws of physics are wrong. He also explains the difference between dark matter and dark energy.