What do you do when the observation you need comes around once a year? Well, preparation is key, but this is the awkward truth about finding another Earth. When a planet crosses the face of its star, a sliver of starlight passes through its atmosphere on the way to us, and the gases there absor...
Source: [Phys.org](https://phys.org/news/2026-08-telescope-array-earth-exoplanet-atmosphere.html)