swap_horiz SDO (Solar Dynamics Observatory) 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

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

WISE / NEOWISE

WISE (Wide-field Infrared Survey Explorer) is a NASA infrared-wavelength astronomical space telescope launched on Decemb...

Nasa Infrared Observatory Completed

8.5 Great

12

Swift (Neil Gehrels Observatory)

The Neil Gehrels Swift Observatory is a NASA multiwavelength space telescope launched on November 20, 2004, designed pri...

Nasa Observatory Current Multi Wavelength

8.3 Great

13

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

14

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

15

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

16

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

17

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

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

Nancy Grace Roman Space Telescope

The Nancy Grace Roman Space Telescope is a NASA infrared observatory currently under development and scheduled for launc...

Nasa Observatory Dark Energy Upcoming

7.2 Good

20

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

6.8 Fair