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Scientists Discover First Earth-Sized Planet in Habitable Zone of Another Star

Scientists Discover a New Habitable Planet 

Scientists have discovered a new habitable planet called TOI 700 e. It is located about 100 light-years away from Earth in the constellation Dorado. The planet is about 95% the size of Earth and orbits its star in the habitable zone, where liquid water could exist on its surface.

TOI 700 e is the fourth planet discovered in the TOI 700 system. The other three planets are all smaller than Earth and are not in the habitable zone.

Scientists are still learning about TOI 700E. They do not know if the planet has an atmosphere or if it is capable of supporting life. However, the discovery of this planet is a significant step in the search for life beyond Earth.

“This is a very exciting discovery,” said lead author Emily Gilbert, an astronomer at the University of Chicago. “TOI 700 e is the first Earth-sized planet to be found in the habitable zone of another star. This increases the chances that there are other planets out there that could support life.”

TOI 700 e was discovered using data from NASA’s Transiting Exoplanet Survey Satellite (TESS). TESS is a space telescope that is designed to find exoplanets by looking for dips in the brightness of stars that are caused by planets passing in front of them.

TOI 700 e orbits its star every 37 days. It is likely rocky and has a mass that is about 2.6 times that of Earth. The planet’s surface temperature is estimated to be between 0 and 100 degrees Celsius, which is within the range where liquid water could exist.

The discovery of TOI 700 e is a major breakthrough in the search for life beyond Earth. It is the first Earth-sized planet to be found in the habitable zone of another star. This discovery increases the chances that there are other planets out there that could support life.

Scientists are now working to learn more about TOI 700 e. They are using TESS to continue to observe the planet and gather more data about its atmosphere and surface conditions. They are also using other telescopes to study the star and the other planets in the system.

The discovery of TOI 700 e is a significant step in the search for life beyond Earth. It is a reminder that we are not alone in the universe and that there are other planets out there that could potentially support life.

What is the habitable zone?

The habitable zone is the region around a star where liquid water could exist on the surface of a planet. This is important because liquid water is essential for life as we know it. The habitable zone is not a fixed distance from a star. It depends on the size and temperature of the star. For example, the habitable zone around a small, cool star is much closer than the habitable zone around a large, hot star.

How was TOI 700 E discovered?

TOI 700 e was discovered using data from NASA’s Transiting Exoplanet Survey Satellite (TESS). TESS is a space telescope that is designed to find exoplanets by looking for dips in the brightness of stars that are caused by planets passing in front of them. TESS observed TOI 700 for about two months in 2020. During that time, TESS detected two dips in the brightness of the star. These dips were caused by two planets passing in front of the star. The first planet, TOI 700 b, is about the size of Earth and orbits its star every 10 days. The second planet, TOI 700 e, is about 95% the size of Earth and orbits its star every 37 days.

What is TOI 700 like?

TOI 700 e is likely rocky and has a mass that is about 2.6 times that of Earth. The planet’s surface temperature is estimated to be between 0 and 100 degrees Celsius, which is within the range where liquid water could exist. TOI 700 e is tidally locked to its star, which means that one side of the planet always faces the star. This means that one side of the planet is always very hot, while the other side is always very cold.

Is there life on TOI 700E?

Scientists do not know if there is life on TO.

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