[R]esearchers using NASA's TESS (Transiting Exoplanet Survey Satellite) and the Spitzer Space Telescope have confirmed the presence of a nearby planet called TOI 700 d. The world sits comfortably in the habitable zone of its host star, and from what astronomers can tell, it appears to be a lot like Earth. The best part? It's relatively close. Okay, so as we've all come to learn, "close" is a relative term when we're talking about objects in space. In the case of TOI 700 d, "close" means that the planet is hanging out at a distance of around 100 light-years. That's...