February 07

1979 - Pluto moves inside Neptune's orbit for the first time since either planet was discovered.

1984 - Space Shuttle program: STS-41-B Mission - Astronauts Bruce McCandless II and Robert L. Stewart make the first untethered space walk using the Manned Maneuvering Unit (MMU).

2007 - The second "Berlin Patient" is given a stem cell transplant which cures his HIV/AIDS.

2038 - NASA loses contact with the ESS Charybdis.