Chicken or Egg, October 11: First photo of Earth from space, Structure of DNA discovered, Sputnik, the first satellite, The laser, First human heart transplant, Dolly the cloned sheep
Puzzle #11, Science & space, Sunday, October 11, 2026. Six things, one order. Here is the answer, earliest to latest.
Earliest
1
First photo of Earth from space1946
A camera on a captured V-2 rocket took it in October 1946, eleven years before Sputnik.
2
Structure of DNA discovered1953
Watson and Crick, using Rosalind Franklin's data, published the double helix in April 1953.
3
Sputnik, the first satellite1957
Launched October 4, 1957. It beeped for three weeks.
4
The laser1960
Theodore Maiman fired the first working laser in May 1960.
5
First human heart transplant1967
Christiaan Barnard, Cape Town, December 1967.
6
Dolly the cloned sheep1996
Born July 1996, announced in 1997.
Latest
The twistFirst photo of Earth from space came first. First photo of Earth from space dates to 1946; Sputnik, the first satellite to 1957. Most people put them the other way round.