swap_horiz TOPEX/Poseidon Alternatives

1

Vostok Spacecraft

The Vostok spacecraft represents a pivotal moment in human spaceflight history. Developed during the Soviet Union’s Cold...

Vintage Cold War Engineering Historical

9.3 Excellent

2

Sputnik 1

Sputnik 1 was a polished metal sphere with radio transmitters, launched by the Soviet Union in 1957. Its significance li...

Cold War Satellite Soviet First

9.2 Excellent

3

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

4

Telstar 1

Telstar 1 was a pioneering American communications satellite launched in 1962 by AT&T. Its significance lies in being th...

Cold War Att Satellite Communications

9.2 Excellent

5

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

6

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

7

Early Bird (Intelsat I)

Intelsat I, also known as Early Bird, was the first commercial geostationary communications satellite. Built by the Hugh...

Cold War Geostationary Satellite Communications

8.9 Great

8

Vanguard 1

Vanguard 1 is an American satellite launched on March 17, 1958, as part of the U.S. Navy's Vanguard project. It was the...

Cold War Solar Powered Satellite Nasa

8.5 Great

9

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

10

GOES-16

GOES-16 is a geostationary weather satellite operated by the United States' National Oceanic and Atmospheric Administrat...

Geostationary Satellite Weather Current

8.5 Great

11

IUE (International Ultraviolet Explorer)

The International Ultraviolet Explorer (IUE) was an astronomical satellite launched in 1978 as a collaborative project b...

Science Observatory Completed Ultraviolet

8.3 Great

12

Jason-1

Jason-1 was a joint ocean altimetry satellite mission developed by NASA and the French space agency CNES. Launched on De...

Ocean Satellite Completed Altimetry

8.2 Great

13

Sputnik 2

Sputnik 2 was the second spacecraft launched into Earth orbit by the Soviet Union, lifting off on November 3, 1957. The...

Cold War Satellite Soviet Earth Orbit

8.1 Great

14

Jason-2

Jason-2 was an international satellite altimetry mission launched on June 20, 2008, through a collaboration between NASA...

Ocean Satellite Completed Altimetry

8.1 Great

15

GPM Core Observatory

The Global Precipitation Measurement (GPM) Core Observatory is a joint environmental satellite project developed by NASA...

Satellite Weather Current Nasa Jaxa

8.0 Great

16

Jason-3

Jason-3 is an Earth observation satellite designed specifically to monitor global ocean surface topography and sea-level...

Ocean Satellite Current Altimetry

8.0 Great

17

ERS-1

ERS-1, or European Remote-Sensing Satellite 1, was the first Earth observation satellite developed by the European Space...

Cold War Satellite Radar Esa

7.8 Good

18

ERS-2

ERS-2 (European Remote-Sensing Satellite 2) was an Earth observation satellite operated by the European Space Agency. La...

Satellite Radar Completed Esa

7.8 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

Sputnik 3

Sputnik 3 was a Soviet scientific satellite launched into low Earth orbit on May 15, 1958. The conical, unmanned spacecr...

Cold War Science Satellite Soviet

7.2 Good