Starshade

Image credit: Conceptual design for a rectangular space telescope, based on the Diffractive Interfero Coronagraph Exoplanet Resolver (DICER) — an infrared space observatory — and the James Webb Space Telescope. Credit: Leif Svardi/Rensselaer Polytechnic Institute.

Circle vs. Rectangle: Searching for 'Earth 2.0' may be easier with new telescope shape

Engineers propose changing the way we observe planets outside our solar system to increase resolution in order to identify conditions on small planets, in particular to find Earth-like ones.