http://www.sci-news.com/astronomy/giant-circumbinary-exoplanet-04214.html
Hubble images of the system OGLE-2007-BLG-349L. Image credit: D.P. Bennett et al.
sharpness of images from Hubble’s Wide Field Planetary Camera 2 allowed the astronomers to separate the background source star and the lensing star from their neighbors in the very crowded star field.
