Terrestrial Planet Finder

The Terrestrial Planet Finder (TPF) was a proposed project by NASA to construct a system of telescopes in space for detecting extrasolar terrestrial planets. TPF was postponed several times and finally cancelled in 2011. There were actually two telescope systems under consideration, the TPF-I, which had several small telescopes, and TPF-C, which used one large telescope.

Terrestrial Planet Finder

The Terrestrial Planet Finder (TPF) was a proposed project by NASA to construct a system of telescopes in space for detecting extrasolar terrestrial planets. TPF was postponed several times and finally cancelled in 2011. There were actually two telescope systems under consideration, the TPF-I, which had several small telescopes, and TPF-C, which used one large telescope.