The first Landsat satellite was launched 51 years ago on July 23, 1972. It was built on the same platform as another satellite from its time, giving them a similar appearance. For #TriviaTuesday, tell us which one!

A) Nimbus 4
B) Intelsat IV
C) Uhuru
D) GOES 1
#NASAhistory

The first Landsat satellite was launched 51 years ago on July 23, 1973. It was built on the same platform as another satellite from its time, giving them a similar appearance. For #TriviaTuesday, tell us which one!

A) Nimbus 4
B) Intelsat IV
C) Uhuru
D) GOES 1
#NASAhistory

Which of these did Houbolt write in a bold 9-page letter to NASA's associate administrator? #TriviaTuesday

A. "Prithee, Robert, answer me honestly."
B. "Do we want to go to the Moon or not?"
C. "This idea has been treated very unfairly."
D. "Might I suggest one small step?"
#NASAhistory

Happy 91st birthday to the seventh person to walk on the Moon, Dave Scott! 🎂 🎉

For this #TriviaTuesday, tell us which other Apollo Moon walker he flew with on the Gemini VIII mission in 1966.

More photos and stories from the birthday boy's missions: https://go.nasa.gov/3WXumFC
#NASAhistory