The search continues... First stop, the 'cigar' on the moon??

It seems more complementary (to SETI) to me, than an alternative. Anyway. Obama also just announced
NASA cutbacks (no more astronauts to the moon).
Starry Messages: Searching for Signatures of Interstellar Archaeology
Richard A. Carrigan, Jr.,
Fermi National Accelerator Laboratory
Summary
Searching for signatures of cosmic-scale archaeological artifacts such as Dyson spheres or Kardashev civilizations is an interesting alternative to conventional SETI [Search for Extraterrestrial Intelligence, which searches for radio waves]. 26pp
http://www.fas.org/spp/eprint/starry.pdf
Dyson spheres ? Kardashev civilizations ? ... Are the spheres the ones around the sun right now?