Photographing an exoplanet 25 light years away with 25km/pixel resolution (2020)
arxiv.org
arxiv.org
This is fascinating. There is a plan to directly photograph exoplanets by sending a series of telescopes 500+ AU in the opposite direction of what we want to photograph and using the sun as a gravitational lens. We send out waves of these small telescopes to get pictures at various focal planes.
This video has a good description of the paper: https://www.youtube.com/watch?v=NQFqDKRAROI