Exploring the Cosmos: Techniques for Finding Exoplanets

The Quest for Exoplanets

The search for planets outside our solar system, known as exoplanets, has captivated scientists and enthusiasts alike. As we look to the stars, we use various advanced techniques to find these distant worlds. Here, we will explore some of the most groundbreaking methods astronomers employ today.

Transit Photometry

Transit Photometry measures the dip in a star's brightness as a planet crosses in front of it. This technique has been successful in discovering thousands of exoplanets!

Illustration of Transit Photometry

Radial Velocity

By observing a star's spectrum, we can detect tiny wobbles caused by the gravitational pull of orbiting planets. This method helps calculate the mass and orbit of planets.

Direct Imaging

Though challenging, directly capturing images of exoplanets is possible. Using advanced telescopes, we can observe these planets' reflected light, providing valuable data.

Illustration of a space telescope

Want to learn more about our universe? Explore our other Science Achievements to delve deeper into the wonders of space!