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

NASA Mars Exploration Rover that landed in Gusev Crater in January 2004 and operated for over six years before becoming...

2000S Nasa Mars Rover

8.8 Great

11

Mercury Freedom 7

American spacecraft that carried Alan Shepard on May 5, 1961, making him the first American in space during a suborbital...

Cold War Nasa Suborbital Crewed

8.7 Great

12

SDO (Solar Dynamics Observatory)

NASA Solar Dynamics Observatory launched in 2010 that continuously observes the Sun in multiple extreme-ultraviolet wave...

Solar Nasa Observatory Current

8.7 Great

13

ISEE-3 / ICE

NASA spacecraft launched in 1978 as the first stationed at a Sun-Earth Lagrange point; repurposed as ICE, it flew throug...

Science Nasa Comet Probe

8.5 Great

14

MMS (Magnetospheric Multiscale Mission)

NASA's Magnetospheric Multiscale Mission, launched in 2015, uses four identical spacecraft flying in close formation to...

Nasa Current Magnetosphere Probe

8.3 Great

15

ACE (Advanced Composition Explorer)

NASA's Advanced Composition Explorer, launched in 1997 to the L1 Lagrange point, samples solar wind particles and measur...

Science Nasa Solar Wind L1

8.2 Great

16

STEREO-A

One of two NASA spacecraft launched in 2006 to provide the first stereoscopic views of the Sun and solar phenomena from...

Science Nasa Sun Probe

8.1 Great

17

Wind spacecraft

A NASA spacecraft launched in 1994 and stationed near the L1 Lagrange point to study solar wind properties and their int...

Science Nasa Solar Wind L1

8.1 Great

18

IRIS (Interface Region Imaging Spectrograph)

NASA Interface Region Imaging Spectrograph launched in 2013 to study the solar chromosphere and transition region, helpi...

Nasa Observatory Current Sun

7.7 Good

19

Solar Maximum Mission

NASA spacecraft launched in 1980 to study solar flares at solar maximum; it was notably repaired in orbit by Space Shutt...

Solar Nasa Observatory Sun

7.7 Good

20

CONTOUR

NASA Comet Nucleus Tour spacecraft launched in 2002 that was lost shortly after its departure burn from Earth orbit due...

Science Nasa Comet Probe

3.1 Poor