Source: USGS
A quote to note from Andrew Elmore:
“The most unique thing about Landsat is its length of record… The ability to go back 30 years or more is something you just can’t do with any other sensor.”

Bidding Farewell to Virginia T. Norwood, the Mother of Landsat
Virginia T. Norwood, a founding figure in the field of satellite land imaging, died on Sunday, March 26, 2023, at age 96.