The Solar Terrestrial Relations Observatory (STEREO) is slated for launch July 22, according to NASA.

STEREO blastoff from Cape Canaveral Air Force Station, Fla., is slated for 3:11 to 3:13 p.m, or 4:19 to 4:34 p.m. ET atop a Boeing Delta II lifter.

STERO will use stereoscopic technology to obtain 3D pictures of the sun and its influences, according to NASA.