Sputnik 1
Sputnik 1 was the first satellite launched into space.
It showed America's rival, the USSR, was more advanced, leading to NASA and the Space Race. It only transmitted a beeping sound.
History of Sputnik 1:
Launched: 04/10/1957
Stopped transmitting: 25/10/1957
Burned up: 01/04/1958
Sputnik 2
Carried the first living being into space: Laika the dog. Sadly, she died a few hours after launch.
History:
Launched: 03/11/1957
Laika died: 03/11/1957
Burned up: 14/04/1958
Sputnik 3
First satellite to gather real scientific data, using a magnetometer, radiation sensors, and temperature sensors.
History:
Launched: 15/05/1958
Died: August 1958
Burned up: 06/04/1961
Sputnik 4 (Vostok 1 Test)
Test flight for the future human missions. Carried mice, rats, cress seeds, two dogs, tortoises, and fruit flies. Sadly, none survived.
History:
Launched: 15/05/1960
Reentered: 18/05/1960
Voyager Space Probes
The Voyager probes are two spacecraft launched in 1977 to explore the outer Solar System and beyond.
Voyager 1 visited Jupiter and Saturn.
Voyager 2 visited Jupiter, Saturn, Uranus, and Neptune.
Instrument Abbreviations:
Imaging Science Subsystem (ISS)
Ultraviolet Spectrometer (UVS)
Infrared Interferometer Spectrometer (IRIS)
Planetary Radio Astronomy (PRA)
Photopolarimeter System (PPS)
Magnetometer (MAG)
Plasma Spectrometer (PLS)
Low Energy Charged Particles Experiment (LECP)
Plasma Wave Subsystem (PWS)
Cosmic Ray Subsystem (CRS)
Radio Science System (RSS)
History of Voyager 1
Launch: 05/09/1977
Crossed asteroid belt: 10/12/1977
Start of Jupiter observation: 01/04/1979
Jupiter flyby: 05/03/1979
End of Jupiter observation: 05/01/1979
Start of Saturn observation: 05/08/1980
Saturn flyby: 12/11/1980
End of Saturn observation: 22/12/1980
PPS shutdown: 29/01/1980
"Pale Blue Dot" image taken: 14/02/1990
ISS shutdown: 14/02/1990
Became farthest man-made object: 17/02/1998
IRIS shutdown: 03/06/1998
PLS shutdown: 01/02/2007
PRA shutdown: 15/01/2008
Entered interstellar space: 25/08/2012
UVS shutdown: 19/04/2016
CRS shutdown: 25/02/2025
History of Voyager 2
Launch: 20/08/1977
Crossed asteroid belt: 10/12/1977
Start of Jupiter observation: 07/05/1979
Jupiter flyby: 07/09/1979
End of Jupiter observation: 01/08/1979
Start of Saturn observation: 12/08/1981
Saturn flyby: 25/08/1981
End of Saturn observation: 01/09/1981
Start of Uranus observation: 10/01/1986
Uranus flyby: 24/01/1986
End of Uranus observation: 06/02/1986
Start of Neptune observation: 10/08/1989
Neptune flyby: 25/08/1989
End of Neptune observation: 15/09/1989
ISS shutdown: 05/12/1989
PPS shutdown: 03/04/1989
UVS shutdown: 12/11/1998
IRIS shutdown: 01/02/2007
PRA shutdown: 21/02/2008
Entered interstellar space: 05/11/2018
PLS shutdown: 26/09/2024
LECP shutdown: 24/03/2025
Vostok
The Vostok programme was the first ever programme to send humans into space and had 6 total missions starting with Vostok-1 in 1961 and carried 6 people to space
Vostok-1