Thousands of planets have been discovered in recent decades. Is there a new earth for humanity?
The short version
- To date, 4,337 planetary systems have been confirmed, including 5,905 exoplanets. Many of them may be Earth-like and potentially habitable.
The summary is created with the help of artificial intelligence (AI) and quality guaranteed by Aftenposten journalists.
Our solar system is not unique. To date, 4,343 planetary systems have been confirmed, with a total of 5,911 so-called ExoplanetsExoplanetsA planet orbiting a star other than the Sun. (As of June 12). And more are lining up to check them out.
The vast majority of exoplanets found so far are in our own galaxy, the Milky Way. There are an estimated 200 billion stars here. It is believed that there are the same number of planets.
As many as 11 billion of them could be Earth-sized and possibly “habitable.” But so far there are only about 70 exoplanets It is considered Potentially 'habitable'.
Exoplanets are extremely difficult to discover. It wasn't long until we only knew about planets other than those orbiting our sun. Only in the 1990s did scientists confirm the first exoplanet observations.
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