swap_horiz Cassini Alternatives

1

Explorer 1

Explorer 1 was the first artificial satellite successfully placed in Earth orbit by the United States. Launched in 1958,...

Cold War Satellite Nasa Earth Orbit

9.2 Excellent

2

Mercury Friendship 7

The Mercury Friendship 7 was a single-seat capsule designed for crewed orbital missions during the Cold War. It carried...

Cold War Nasa First Us Orbit Crewed

9.2 Excellent

3

Apollo Command/Service Module

The Apollo Command/Service Module was a critical component of NASA’s manned lunar missions during the Cold War era. It c...

Cold War Nasa Moon Crewed

9.2 Excellent

4

Apollo Lunar Module

The Apollo Lunar Module was a specialized spacecraft developed by NASA to enable crewed landings on the Moon. This two-s...

Cold War Nasa Moon Crewed

9.2 Excellent

5

Opportunity rover

The Opportunity rover was a NASA spacecraft designed to explore the Martian surface. Launched in 2004 as part of the Mar...

Endurance Nasa Mars Rover

9.2 Excellent

6

Curiosity rover

The Curiosity rover is a NASA spacecraft exploring Mars. Launched in November 2011, it landed in Gale Crater in August 2...

Nasa Mars Rover Current

9.2 Excellent

7

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

9.2 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

9.2 Excellent

9

Perseverance rover

The Perseverance rover is an American spacecraft exploring Mars. It’s currently operating within Jezero Crater, searchin...

Nasa Mars Rover Astrobiology

9.1 Excellent

10

Mars Odyssey

2001 Mars Odyssey is a robotic spacecraft orbiting Mars, launched by NASA in April 2001. It holds the record for the lon...

Nasa Mars Current Orbiter

8.6 Great

11

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

8.5 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

8.2 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

8.1 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

8.1 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

8.1 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

8.1 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

7.8 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

7.3 Good

19

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

3.4 Poor

20

CONTOUR

CONTOUR (Comet Nucleus Tour) was a NASA Discovery-program spacecraft launched on a Delta II rocket in July 2002 to make...

Science Nasa Comet Probe

3.1 Poor