NASA Kennedy / KSC

Tune in now to NASA TV for the post launch press conference.

Launch coverage begins at 10:15 a.m. EST on NASA Launch Blog for #Landsat. Liftoff is scheduled at 1:02 p.m. EST.

Tune in to the NASA Launch Blog for countdown coverage beginning tomorrow at 10:15 a.m. EST for @Landsat.

NASA Administrator Bolden and KSC Center Director Bob Cabana address the #NASASocial group at SLC-3 with #LDCM.

RT @NASASocial: NASA Administrator Charles Bolden poses with the #NASASocial group in front of the #LDCM satellite and Atlas V

Watch as the #Landsat Data Continuity Mission team gives the final "go" for launch.

NASA Administrator Bolden and KSC Center Director Bob Cabana address the #NASASocial group at SLC-3 with #LDCM.

Center Director Robert Cabana addresses the #NASASocial group at SLC-3 at @30thSpaceWing.

RT @NASASocial: NASA Administrator Charles Bolden poses with the #NASASocial group in front of the #LDCM satellite and Atlas V

Image of supernova remnant W49B might be the most recent black hole formed in the Milky Way.