Signal acquired from Philae, everything going according to plan. Images courtesy of ESA.

ESAs Rosetta Philae lander, signal acquired.

ESAs Rosetta Philae lander, signal acquired.

Relief.

Relief.

Confirmation of signal.

Confirmation of signal.

Philae landing gear deployed.

Philae landing gear deployed.

ESA mission control before landing attempt.

ESA mission control before landing attempt.