When it comes to finding life outside of our Solar System, planets that closely resemble Earth seem like a good place to start.
TOI 700 e has been confirmed orbiting inside theof its star, TOI 700. That's the region of space where significant quantities of water on its surface would be at a temperature suitable for a liquid form. Too warm for a blanket of ice, yet still cool enough for vapor to condense, these kinds of planets are considered 'just right' for life as we know it.
Telescopes see these exoplanets as regular blips in the light of their parent stars as they pass in front of it, in what's known as a transit. With more surface blocking the star's light, larger planets present easier opportunities to be seen than small, rocky worlds, making Earth-like discoveries like this one a rare treat.
"If the star was a little closer or the planet a little bigger, we might have been able to spot TOI 700 e in the first year of TESS data,"from the University of Maryland."But the signal was so faint that we needed the additional year of transit observations to identify it."
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