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In the coming decades, massive segmented space telescopes may be launched to peer even closer in on far-out exoplanets and their atmospheres. To keep these mega-scopes stable, MIT researchers say that small satellites can follow along, and act as “guide stars,” by pointing a laser back at a telescope to calibrate the system, to produce better, more accurate images of distant worlds.

Tiny satellites could be guide stars for huge next-generation telescopes

There is a lot of importance of powerful tools such as telescopes in the field of astronomy. Telescopes can allow resolving fine details. Even more,...