Most Powerful Space Telescopes

From observing the early universe to discovering exoplanets, space telescopes are humanity's eyes into the cosmos, each with unique capabilities.

The top 3

James Webb Space Telescope (JWST): The James Webb Space Telescope is the largest and most complex space observatory, designed for infrared astronomy to detect objects 100 times fainter than Hubble and explore the universe's earliest epochs. James Webb Space Telescope
Hubble Space Telescope (HST): Launched in 1990, the Hubble Space Telescope has provided invaluable visible and ultraviolet light observations, significantly contributing to the discovery of dark energy accelerating the universe's expansion. Hubble Space Telescope
Nancy Grace Roman Space Telescope: Launched on August 30, 2026, the Roman Space Telescope features a 2.4-meter mirror and a field of view 100-200 times larger than Hubble's infrared view, designed to investigate dark energy, exoplanets, and infrared astrophysics. Nancy Grace Roman Space Telescope