Little alien dude

Nebula for background or plain pic  

Space ship on horizon

Comsat artist's drawing

Very cool artistic SETI pic.

Space shot for background or pic (dark).

Space objects, including Jupiter.

Jupiter's family, with moons.

Artistic alien planet #1.

Artistic alien planet #2.

Neil Armstrong's famous step.

View of the Big Ear radiotelescope at sunset.

SETI radar array.

Goddard geodetic VLBI.

Artistic radio telescope.

Photograph of Harvard SETI dish.