Apollo 13: “Houston, We’ve Had a Problem”

“Houston, we’ve had a problem” (see notes 1 below this post) is the now-famous phrase radioed from Apollo 13 to Mission Control upon the catastrophic explosion that dramatically changed the mission. On the 50th Anniversary of the Apollo 13 mission, NASA recognizes the triumph of the mission control team and the astronauts and looks at …

Lunokhod 1: The first lunar rover [November 17, 1970]

On November 10, 1970, the uncrewed Luna-17 spacecraft launched (see notes 1) and it delivered Lunokhod 1 to the lunar surface on November 17, 1970. Lunokhod 1 was the world’s first automatic self-propelled laboratory, fully controlled from Earth. With Lunokhod 1’s landing on the Moon, a new stage has begun in the exploration of the …

Complete descent and landing of Apollo 11 [July 20, 1969]

Apollo Flight Journal channel published a detailed video that shows every second of the complete descent and landing of Apollo 11, the spaceflight that first landed humans on the Moon on July 20, 1969. The video combines data from the onboard computer for altitude and pitch angle (you can see both altitude and pitch angle …

The First Tweet from Space was posted on May 13, 2009

On May 13, 2009, NASA astronaut Michael J. Massimino composed the first tweet from space as he and the crew of Space Shuttle Atlantis zoomed to rendezvous with the Hubble Space Telescope. Massimino wrote, “From orbit: Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime …