swap_horiz Pioneer 11 Alternatives

1

Voyager 2

Voyager 2 is a NASA-built spacecraft deployed in 1977. It’s notable for being the first to explore Uranus and Neptune pr...

Active Nasa Interstellar Outer Planets

10.0 Brilliant

2

Voyager 1

Voyager 1 is an active NASA spacecraft launched in 1977. It undertook a flyby mission to Jupiter and Saturn. The probe a...

Active Nasa Interstellar Outer Planets

9.9 Brilliant

3

Apollo 8

The Apollo 8 mission involved a three-man NASA crew – Frank Borman, James Lovell, and William Anders – undertaking the f...

Lunar Nasa Apollo Past

9.7 Brilliant

4

Mars Exploration Rover Opportunity

The Opportunity rover was a NASA mission designed to study the geology of Mars’ Meridiani Planum region. Launched in 200...

Geology Nasa Mars Rover

9.5 Brilliant

5

Apollo 17

The Apollo 17 mission represents NASA’s concluding journey to the Moon within the Apollo program. Launched in December 1...

Lunar Nasa Apollo Past

9.4 Excellent

6

Cosmic Background Explorer

The Cosmic Background Explorer (COBE) was a NASA space mission launched in 1989 to study the cosmic microwave background...

Survey Cosmology Nasa Microwave

9.4 Excellent

7

New Horizons

The New Horizons mission is an active NASA space probe studying the outer solar system. Launched in 2006, it achieved a...

Active Nasa Kuiper Belt Pluto

9.4 Excellent

8

Viking 1

The Viking 1 mission involved both an orbiter and a lander deployed to Mars in 1975. It achieved the historic feat of de...

Nasa Mars Past Lander

9.4 Excellent

9

WMAP

The Wilkinson Microwave Anisotropy Probe (WMAP) was a NASA space mission that studied the cosmic microwave background ra...

Survey Cosmology Nasa Microwave

9.3 Excellent

10

OSIRIS-REx

The OSIRIS-REx spacecraft undertook a NASA mission to study the asteroid Bennu. Launched in 2016, it successfully collec...

Nasa Past Asteroid Sample Return

9.3 Excellent

11

Pioneer 10

NASA’s Pioneer 10 is a historic space probe launched in 1972. It achieved several significant milestones including being...

Nasa Deep Space Jupiter Past

9.2 Excellent

12

Ingenuity Mars Helicopter

The Ingenuity Mars Helicopter is a small rotorcraft developed by NASA for exploration on Mars. It achieved unprecedented...

Helicopter Technology Nasa Mars

9.2 Excellent

13

Space Shuttle STS-1

The Space Shuttle STS-1 mission marked America’s first crewed launch of the Space Shuttle program. This historic flight...

Nasa Past Shuttle Orbiter

9.1 Excellent

14

Luna 3

Luna 3 was a Soviet space mission launched in 1959. It achieved a unique flyby trajectory around the Moon, capturing the...

Imaging Soviet Past Moon

9.0 Excellent

15

Mariner 4

The Mariner 4 mission, launched by NASA in 1964, represents a pivotal moment in planetary exploration. This flyby spacec...

Imaging Nasa Mars Flyby

9.0 Excellent

16

Mariner 2

The Mariner 2 spacecraft represents a pivotal moment in space exploration. Launched by NASA in 1962, it achieved the fir...

Nasa Past Venus Firsts

8.9 Great

17

DART

NASA’s DART mission successfully impacted the asteroid Dimorphos in October 2022. This marked the first demonstration of...

Impact Nasa Past Asteroid

8.9 Great

18

Viking 2

The Viking 2 spacecraft was a NASA mission launched in 1976 to explore Mars. It landed near Utopia Planitia and function...

Nasa Mars Past Lander

8.8 Great

19

Mariner 10

Mariner 10 was a robotic space probe launched by NASA in November 1973 to conduct planetary flybys of Venus and Mercury....

Nasa Past Mercury Venus

8.6 Great

20

Europa Clipper

Europa Clipper is a NASA robotic mission designed to investigate Jupiter's moon Europa, whose ice-covered surface may co...

Active Nasa Jupiter Europa

7.3 Good