Scientists have already discovered more than 5,000 exoplanets outside the solar system

In 1988, astronomers discovered the first exoplanet near the pulsar PSR 1257 + 12. The exoplanet was the first exoplanet to be discovered outside the solar system. Four years after its discovery, the exoplanet was confirmed to exist. Scientists are now searching for other planets in distant star systems. A few days ago, the 5,000th exoplanet was included in NASA’s archive of exoplanets. The total number of found exoplanets is 5,005. According to NASA, each exoplanet discovered has its own unique characteristics. “It’s not just one. Each of them is a new world and a new planet. I am happy with each of them. However, we know virtually nothing about them, “said a NASA expert.

One of the first two exoplanets discovered outside the solar system by astronomers Alexander Wolszczan and Dale Frail is 4.3 times the mass of Earth and 3.9 times the mass of the other. The third exoplanet in the new mass of the Earth was discovered in 1994. As a result, the first exoplanets discovered were named Poltergeist, Phobetor and Draugr. Already in those years, scientists realized that our galaxy is rich in such planets. Later, scientists began to use a new method to search for exoplanets. We are talking about the transit method.

The essence of this method is that when any exoplanet passes in front of its star, a slight darkening of that star is observed. Thanks to this slight darkening, scientists are able to identify the exoplanet itself. The Kepler telescope made a significant contribution to the search for exoplanets. Launched in 2009, the telescope has identified more than 3,000 exoplanets. Scientists have not been able to find conclusive evidence that any of the exoplanets found existed. However, work continues in this area. The James Webb Telescope, which was launched into space some time ago, could potentially shed light on this issue.