Exploring the night sky is as easy as looking up, and with smartphones and other tech, knowing what you're seeing is easier than ever. This new column will explore astronomy the 21st century way – with space-related apps and gadgets.
What is a "morning star," and what is an "evening star"? Aren't they all planets? Can a planet sometimes be both of those things, or neither? Here's the complete guide for understanding these stargazing terms.