How Do Astronomers Discover Planets Around Other Stars?

How Do Astronomers Discover Planets Around Other Stars?

Finding a planet around another star sounds simple until you consider the scale of the challenge. Stars are incredibly bright, while the planets orbiting them are much smaller, dimmer, and often dozens or hundreds of light-years away. In most cases, astronomers cannot point a telescope at a star and clearly photograph the planets circling it. … Read more

What Is an Exoplanet? A Beginner’s Guide to Worlds Beyond Our Sun

What Is an Exoplanet? A Beginner’s Guide to Worlds Beyond Our Sun

Imagine looking at a star and realizing it may not be alone. Around that tiny point of light, one planet could be racing through a four-day year, while another might be covered in frozen clouds, deep oceans, or scorching winds. These distant worlds are called exoplanets, and they have completely changed how we view our … Read more