Are there other habitable planets outside our solar system? What has long sounded like science fiction is suddenly no longer so unrealistic: NASA’s Tess research satellite has discovered a planet that experts believe is potentially habitable and roughly the same size as Earth.
NASA discovery: Second Earth sighted—it’s relatively close
The news was announced by NASA at the 235th meeting of the American Astronomical Society in Honolulu. The discovered exoplanet is called ‘TOI 700 d’. As reported by CNN, it has 40 percent of the mass and size of its sun. According to NASA, ‘TOI 700 d’ is at the proper distance from a star to form water on its surface.
The discovery is a big step for astronomers; it is the first possible second Earth that is the same size as our planet. According to the US space agency, the discovery is also relatively close to Earth. According to CNN, we are talking about a distance of one hundred light years.
Second Earth sighted in the universe—NASA got help from amateur astronomers
Initially, however, the discovery caused quite a stir and would not have come to light. According to reports from bild.de, NASA had help from amateur astronomers. The Tess research satellite initially thought that the possible second Earth was more significant and hotter than it is. However, several amateur astronomers, including a student who works with the Tess team, uncovered the error, according to bild.de.
Universe: NASA’s groundbreaking discovery—more possible ‘Earths’
The discovery of ‘TOI 700 d’ was a unique find, but several planets have also been discovered in the past that have been labeled as possible ‘Earth.’ For example, scientists discovered a planet with water in its atmosphere using the Hubble telescope. However, a nearby dwarf star could make life there impossible. Researchers may have discovered a new ‘super-Earth’ on the neighboring star Proxima Centauri, 4.2 light years away. If the evidence is confirmed, this would shed a completely new light on previous research.
The news that researchers have discovered a ninth planet in our solar system also recently caused a stir. It is said to be far away and huge. NASA also discovered a mysterious phenomenon on Mars that is already causing problems on Earth.
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