1)This picture was taken in 1984 as astronaut McCandless was 100 meters away from the cargo bay and is the farthest any human has ever been in outer space
PS : he was equipped with jetpacks with nitrogen thrusters controlled by the unit
2)Photo 51 : the first ever picture of DNA ever taken
It is the first step to identify the double helix structure of DNA by Rosalind Franklin in 1952
3)The Pale Blue Dot
The pale blue dot is the first picture of earth taken by Voyager 1 in 1990 as the space probe surpassed Saturn.The second picture was filmed by Cassini in 2013
4)The Extreme Deep Field
This is an image released by NASA by combining the pictures taken by Hubble Space Telescope for 10 years.This image shows thousands of galaxies that date back to about 13.2 billion years while the universe is estimated to be 13.7 billion years old.
5)Trinity Nuclear Test
The first ever nuclear test named Trinity held at 5:29 am on July 16 1945 that took place at 35 miles southeast from Socorro, New Mexico.
6)Pioneer Plaque
This might look simple but it has so much related to the human race. It was affixed to Pioneer 10 and Pioneer 11 space crafts in 1972 and 1973 respectively which were first set to leave solar system so that the aliens could read and find out about the humans.
7) Picture of Saturn’s moons in alignment
NASA's Cassini satellite has spent in the orbit of Saturn for over a decade and has taken many photos of saturn and its moons and this is the pic of its moons coming into perfect alignment
8)Selfie of curiosity rover
the curiosity rover sings Happy Birthday song to itself alone on mars every year on its birthday.