swap_horiz GRAIL Alternatives

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Luna 9

The Luna 9 mission represents a significant achievement in early space exploration. Launched by the Soviet Union in 1966...

Soviet Past Moon Lander

9.2 Excellent

11

Chang'e 6

Chang’e 6 is a Chinese space mission successfully delivering lunar samples from the Moon’s far side in December 2024. Th...

China Past Moon Sample Return

9.2 Excellent

12

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

13

Luna 2

The Luna 2 mission, launched by the Soviet Union in 1959, represents a pivotal moment in space exploration. It achieved...

Impact Soviet Past Moon

9.1 Excellent

14

GRACE

The GRACE (Gravity Recovery and Climate Experiment) mission involved two identical satellites launched by NASA and DLR i...

Nasa Gravity Past Earth

8.7 Great

15

Surveyor 1

Surveyor 1 was a NASA lunar lander that soft-landed in 1966, proving landing techniques needed before Apollo crewed miss...

Nasa Past Moon Lander

8.7 Great

16

Ranger 7

Ranger 7 was a NASA impact probe that returned the first close-up U.S. images of the Moon in 1964 before crashing in Mar...

Imaging Impact Nasa Past

8.4 Great

17

Surveyor 7

Surveyor 7 was NASA's final Surveyor lander, reaching the Moon in 1968 and studying the highland region near Tycho crate...

Surface Nasa Past Moon

7.9 Good

18

Clementine

Clementine was a 1994 U.S. Defense Department and NASA mission that mapped the Moon multispectrally and tested lightweig...

Nasa Past Moon Orbiter

7.7 Good

19

Lunar Prospector

Lunar Prospector was a NASA orbiter launched in 1998 that mapped lunar gravity and composition, including evidence for p...

Mapping Nasa Past Moon

7.6 Good

20

LADEE

LADEE was a NASA lunar orbiter launched in 2013 to study the Moon's thin exosphere and dust environment before a planned...

Nasa Past Moon Atmosphere

7.4 Good