swap_horiz CONTOUR Alternatives

1

Explorer 1

Explorer 1 became the first United States satellite successfully placed in Earth orbit in 1958. Built by the Jet Propuls...

Cold War Satellite Nasa Earth Orbit

9.20 Excellent

2

Mercury Friendship 7

Friendship 7 was the single-seat Mercury capsule that carried John Glenn on February 20, 1962. During the Mercury-Atlas...

Cold War Nasa First Us Orbit Crewed

9.20 Excellent

3

Apollo Command/Service Module

NASA's Apollo Command/Service Module provided the main crewed spacecraft for travel to and from the Moon during the Cold...

Cold War Nasa Moon Crewed

9.20 Excellent

4

Apollo Lunar Module

Built by Grumman for NASA's Apollo program, the Lunar Module was a specialized spacecraft for landing astronauts on the...

Cold War Nasa Moon Crewed

9.20 Excellent

5

Opportunity rover

Opportunity was a NASA Mars Exploration Rover launched in 2003 and landed on Mars in 2004. Its solar-powered design carr...

Endurance Nasa Mars Rover

9.20 Excellent

6

Curiosity rover

Launched in November 2011 and landed in Gale Crater in August 2012, NASA's Curiosity rover investigates whether ancient...

Nasa Mars Rover Current

9.20 Excellent

7

Cassini

The Cassini spacecraft was a joint NASA/ESA/ASI mission that orbited Saturn from 2004 to 2017. It provided unprecedented...

Science Flagship Nasa Saturn

9.20 Excellent

8

Huygens probe

The Huygens probe was an ESA-designed lander carried by the Cassini spacecraft. It achieved a historic touchdown on Tita...

Science Titan Lander Atmosphere

9.20 Excellent

9

Ingenuity helicopter

The Ingenuity helicopter is a rotorcraft developed by NASA for exploration on Mars. It represents a groundbreaking achie...

Helicopter Nasa Mars First Flight

9.15 Excellent

10

ISEE-3 / ICE

ISEE-3 (International Sun-Earth Explorer 3) was a NASA spacecraft launched on August 12, 1978, originally placed in a ha...

Science Nasa Comet Probe

8.45 Great

11

MMS (Magnetospheric Multiscale Mission)

NASA's Magnetospheric Multiscale Mission (MMS) is a four-spacecraft constellation launched on March 12, 2015, to study m...

Nasa Current Magnetosphere Probe

8.25 Great

12

ACE (Advanced Composition Explorer)

The Advanced Composition Explorer (ACE) is a NASA Explorer mission spacecraft launched in August 1997 to study matter fr...

Science Nasa Solar Wind L1

8.20 Great

13

GRAIL Ebb

GRAIL Ebb is one of NASA's twin Gravity Recovery and Interior Laboratory spacecraft, launched in 2011 to conduct a compr...

Science Nasa Gravity Moon

8.10 Great

14

GRAIL Flow

GRAIL Flow is the second of NASA's twin Gravity Recovery and Interior Laboratory spacecraft, launched alongside its coun...

Science Nasa Gravity Moon

8.10 Great

15

STEREO-A

STEREO-A (Solar TErrestrial RElations Observatory-Ahead) is one of two identical NASA solar observation probes launched...

Science Nasa Sun Probe

8.10 Great

16

Wind spacecraft

Wind is a NASA science spacecraft launched on November 1, 1994, as part of the Global Geospace Science program. It was i...

Science Nasa Solar Wind L1

8.05 Great

17

OAO-2

OAO-2 (Orbiting Astronomical Observatory 2), launched in December 1968, was NASA's first successful space-based ultravio...

Cold War Science Nasa Observatory

7.75 Good

18

Psyche spacecraft

The Psyche spacecraft is a NASA orbiter launched in October 2023 aboard a SpaceX Falcon Heavy rocket, intended to study...

Science Nasa Current Orbiter

7.30 Good

19

STEREO-B

STEREO-B, also called STEREO Behind, is one of two nearly identical NASA spacecraft launched in 2006 to observe the Sun...

Nasa Sun Probe Stereo Imaging

6.80 Fair

20

Mars Observer

Mars Observer was a NASA orbiter launched in 1992 to study Mars. The spacecraft lost contact on 21 August 1993, three da...

1990S Nasa Mars Orbiter

3.40 Poor