swap_horiz STS-61 Hubble Servicing 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 Science Laboratory (Curiosity)

The Mars Science Laboratory is a NASA robotic space mission that landed the car-sized Curiosity rover in Gale Crater on...

Nasa Mars Rover 2011

9.7 Brilliant

5

Mars 2020 (Perseverance)

Mars 2020 is an ongoing NASA space mission that successfully landed the Perseverance rover in Mars's Jezero Crater in Fe...

2020 Nasa Mars Rover

9.7 Brilliant

6

OSIRIS-REx (Bennu Sample Return)

OSIRIS-REx is a NASA spacecraft mission designed to travel to the near-Earth asteroid 101955 Bennu, collect a surface sa...

2023 Nasa Asteroid Earth Return

9.7 Brilliant

7

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

8

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

9

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

10

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

11

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

12

Friendship 7 (Mercury-Atlas 6)

Friendship 7 was the spacecraft used in NASA's Mercury-Atlas 6 mission, launched on February 20, 1962. Aboard the capsul...

Orbital Nasa 1962 Crewed

9.4 Excellent

13

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

14

Curiosity Mars Rover

The Curiosity rover is an active NASA mission exploring Mars from Gale Crater. Launched in 2011, it investigates the pla...

Geology Active Nasa Mars

9.3 Excellent

15

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

16

Columbia STS-1

STS-1 (Space Transportation System-1) was the first orbital flight of NASA's Space Shuttle program, launched on April 12...

Nasa 1981 Shuttle Crewed

9.2 Excellent

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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

18

Atlantis STS-135

Atlantis STS-135 was the 135th and final mission of NASA's Space Shuttle program, launched in July 2011. Commanded by Ch...

Nasa 2011 Shuttle Iss

8.3 Great

19

Columbia STS-107

STS-107 was NASA's 113th Space Shuttle mission and the 28th flight of the orbiter Columbia. Launched on January 16, 2003...

Tragedy Nasa 2003 Shuttle

2.3 Poor

20

Challenger STS-51-L

Challenger STS-51-L was NASA's 25th Space Shuttle mission and the tenth flight of the orbiter Challenger, launched from...

Tragedy Nasa 1986 Shuttle

2.1 Poor