swap_horiz STEREO-B 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

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

9.2 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

Spirit rover

The Spirit rover was a robotic Mars exploration vehicle that successfully landed in Gusev Crater in January 2004 as part...

2000S Nasa Mars Rover

8.8 Great

11

Mercury Freedom 7

Mercury-Redstone 3, utilizing the Freedom 7 spacecraft, was the first crewed space mission in United States history. Lau...

Cold War Nasa Suborbital Crewed

8.7 Great

12

SDO (Solar Dynamics Observatory)

The Solar Dynamics Observatory (SDO) is a NASA spacecraft launched in 2010 to investigate the Sun's dynamic atmosphere....

Solar Nasa Observatory Current

8.7 Great

13

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

14

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

8.3 Great

15

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

16

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

17

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

18

IRIS (Interface Region Imaging Spectrograph)

IRIS is a NASA small explorer spacecraft launched on June 27, 2013, from Vandenberg Air Force Base aboard a Pegasus XL r...

Nasa Observatory Current Sun

7.7 Good

19

Solar Maximum Mission

The Solar Maximum Mission was a NASA spacecraft launched in 1980 to investigate solar phenomena, specifically targeting...

Solar Nasa Observatory Sun

7.7 Good

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