What’s the difference between a comet, an asteroid and a meteor, and what is the relationship between them? | The Economist

26K views · 1.1K reactions | Asteroids, comets, and meteors: what's the difference? These fascinating space rocks are all unique, but all worthy of study. Just ask NASA Jet Propulsion Laboratory scientist Ryan Park and he’ll agree. Here's more on what sets space rocks apart: https://go.nasa.gov/3i42jBm | NASA - National Aeronautics and Space Administration | Facebook