Photos of Discovery's Final Mission: STS-133

Shuttle Discovery and Space Station over New York City on March 7, 2011.

Amateur astronomer Tony Hoffman of New York City took this long-exposure photo of the shuttle Discovery (right light line) and International Space Station as they flew over Flushing Meadows Park in Queens, NY on March 7, 2011 during the STS-133 mission, Discovery's last flight.

Farewell, Discovery

Space shuttle Discovery is seen in cameras as it flies around the International Space Station after undocking for the final time on March 7, 2011 during its last mission, STS-133.

Goodbye, Space Station

Space shuttle Discovery performs its flyaround shortly after undocking from the International Space Station on March 7, 2011 near the end of its final mission - STS-133.

Discovery and the International Space Station by Skywatcher Rob Bullen

Skywatcher Rob Bullen of Forest of Dean, Gloucestershire, England caught this snapshot of shuttle Discovery (left) as it approached the International Space Staiton on Feb. 26, 2011. Discovery was flying its final mission, STS-133.

Shuttle Discovery Prepares to Leave Station

Backdropped by Earth's horizon and the blackness of space, space shuttle Discovery and its remote manipulator system/orbiter boom sensor system (RMS/OBSS) is featured in this image photographed by an STS-133 crew member while docked with the International Space Station on March 6, 2011 during the shuttle's last flight, STS-133.

Space Shuttle Discovery and ISS during spacewalk on March 2, 2011 by Martin Lewis

Skywatcher Martin Lewis of St. Albans, Herts in the U.K. caught this amazing view of the docked shuttle Discovery and International Space Station on March 2, 2011 during a spacewalk. A spacewalker can be seen on a robot arm.

Take a Picture

Astronaut Steve Bowen takes a picture while spacewalking and riding Canada’s robotic arm, during Discovery's STS-133 mission, March 2011.

Open the Box!

Astronaut Paolo Nespoli writes, "Robonaut in its crate gets moved from PMM to the Lab. We’ll unpack it later, unless it takes over the ISS earlier!"

Floating in My Tin Can

Permanent Multipurpose Module (PMM) Leonardo is installed on the International Space Station during Space shuttle Discovery's STS-133 mission, March 2011.

Module-a-go-go

Astronaut Paolo Nespoli writes, "PMM Leonardo is on the go!" Permanent Multipurpose Module (PMM) Leonardo is moved during shuttle Discovery's final mission, STS-133.