Exoplanets are planets that orbit stars other than our own sun. These have been discovered through various methods, including observing the faint dip in a star’s light as a orbiting planet passes in front, or by observing the wobble of the star due to the gravitational pull of a orbiting planet. Since the first exoplanet was discovered in 1995, our understanding of these alien worlds has grown exponentially. We have discovered everything from gas giants like our own Jupiter to small rock-like planets similar in size to Earth.
The Search for Habitable Worlds
One of the most exciting areas of exoplanet research is the search for planets that may be able to support life. A planet must be within a certain distance from its star to have temperatures that allow liquid water to exist, a key ingredient for life as we know it. Recently, scientists have discovered exoplanets that may have the potential to be habitable, including those within the “habitable zone” around their star.
The Journey Ahead
As our technology and methods of detecting exoplanets improve, we can expect to continue to discover new and exciting worlds outside our own solar system. With each discovery, we gain a better understanding of the universe we live in and our place within it.Who knows what else may be out there waiting to be discovered? Only time and continued exploration will tell.