Exoplanets Exoplanets are planets that orbit stars other than the Sun. While our solar system was long considered unique, the discovery of exoplanets has shown that there are countless worlds beyond our cosmic neighborhood. How Exoplanets Are Discovered Astronomers use several methods to detect exoplanets, including the orbital method.
Nebulae Nebulae are immense clouds of gas and dust found in interstellar space. They can be the birthplace of new stars and planets, and they often exhibit brilliant colors and surprising shapes. Nebulae, those immense, colorful clouds of gas and dust floating in space and
Nebulae Nebulae are clouds of gas and dust found in interstellar space. Many nebulae are remnants of dead stars or sites of active star formation. Image: Illustration of the Cat's Eye Nebula The Cat's Eye Nebula The Cat's Eye Nebula is a diffuse nebula located in the constellation of
English 
Spanish