Scott Altman (34)

Jim Webb (30)

Megan McArthur (29)

Mike Massimino (25)

Andrew Feustel (23)

Michael Good (21)

Michael Massimino (15)

Irene Klotz (12)

Mike Good (12)

Drew Feustel (12)

Barack Obama (9)

Tony Ceccacci (8)

Greg Johnson (8)

Preston Burch (8)

David Leckrone (7)

Ed Weiler (7)

Allard Beutel (6)

Jon Morse (6)

Gregory Johnson (5)

John Madura (5)

Edwin Hubble (5)

George W. Bush (4)

Jim Loney (4)

Dave Leckrone (4)

Charles Bolden (4)

Dan Burbank (4)

Mike Leinbach (3)

Pat Ryan (3)

Kyle Herring (3)

Lori Garver (3)

Michael Griffin (2)

David Alexander (2)

Kennedy de Florida (2)

Steve Gorman (2)

John Holdren (2)

John Logsdon (2)

Norm Augustine (2)

Jeffrey Hoffman (2)

Chris Baltimore (2)

Will Dunham (2)

Tony Ceccaci (2)

Eric Walsh (2)

Roy Cain (2)

Bill Harwood (2)

Pascal Fletcher (2)

Mario Livio (2)

Richard Truly (2)

Bill Nelson (2)

Replacing Hubble (2)

Bill Gerstenmaier (1)

Leroy Cain (1)

Mal Niedner (1)

Ray Villard (1)

Robert Gibbs (1)

John O'Callaghan (1)

Sandra Maler (1)

Tracy Caldwell-Dyson (1)

Galileo Galileï (1)

Frank Siezten (1)

Jay Barbree (1)

Charlie Bolden (1)

Charles Lurio (1)

Bryan Lunney (1)

Rick Sturckow (1)

Carina Nebula (1)

Bill Jeffs (1)

Daniel Morar (1)

And Bolden (1)

Edward Weiler (1)

Alan Elsner (1)

Andrew Feustel (1.0)

Michael Good (0.9)

Megan McArthur (0.8)

Drew Feustel (0.8)

Gregory Johnson (0.7)

David Leckrone (0.7)

Michael Massimino (0.7)

John Madura (0.7)

Mike Massimino (0.6)

Preston Burch (0.6)

Scott Altman (0.6)

Mike Good (0.6)

Jon Morse (0.5)

Replacing Hubble (0.4)

Greg Johnson (0.4)

Tony Ceccacci (0.4)

Dave Leckrone (0.4)

Tony Ceccaci (0.3)

Mario Livio (0.3)

Ed Weiler (0.3)

Dan Burbank (0.3)

Norm Augustine (0.3)

Kyle Herring (0.2)

Edwin Hubble (0.2)

Irene Klotz (0.2)

Jeffrey Hoffman (0.2)

Kennedy de Florida (0.1)

Jim Webb (0.1)

Allard Beutel (0.1)

NASA (55)

Hubble Space Telescope (31)

Space Shuttle Atlantis (29)

International Space Station (21)

Kennedy Space Center (17)

European Space Agency (16)

Space Shuttle Endeavour (13)

Mission Control (11)

Boeing (9)

White House (6)

Space Shuttle Discovery (5)

Edwards Air Force Base (5)

El Universal (4)

Smithsonian Institution (4)

ABC News (3)

United States Congress (3)

The Thomson Corporation (3)

Air Force (3)

The Pentagon (2)

Marine Corps (2)

Naval Academy (2)

Goddard Space Flight Center (2)

Boy Scout (2)

Washington Post (2)

United States Senate (2)

News Limited (2)

Lockheed Martin (2)

The Hindu (1)

New Scientist (1)

Atlantis landing diverted to California
May 13, 2009 - May 24, 2009

'Minor' damage found to shuttle
May 9, 2009 - May 12, 2009

Hubble Telescope Spies Majestic Space Mountains (SPACE.com)
April 24, 2010 - April 24, 2010

Discovery preparing for lift-off
April 20, 2010 - April 20, 2010