Spherical Aberration
Graphic representation of spherical aberration, which was causing Hubble Space Telescope images to appear blurred due to a flaw in the mirror. This was diagnosed and fixed by scientists.
Credit:ESA/Hubble
Graphic representation of spherical aberration, which was causing Hubble Space Telescope images to appear blurred due to a flaw in the mirror. This was diagnosed and fixed by scientists.
Credit:ESA/Hubble