swap_horiz IRAS Alternatives

1

Voyager 2

Voyager 2 is a NASA-built spacecraft deployed in 1977. It’s notable for being the first to explore Uranus and Neptune pr...

Active Nasa Interstellar Outer Planets

10.0 Brilliant

2

Voyager 1

Voyager 1 is an active NASA spacecraft launched in 1977. It undertook a flyby mission to Jupiter and Saturn. The probe a...

Active Nasa Interstellar Outer Planets

9.9 Brilliant

3

Apollo 8

The Apollo 8 mission involved a three-man NASA crew – Frank Borman, James Lovell, and William Anders – undertaking the f...

Lunar Nasa Apollo Past

9.7 Brilliant

4

Vostok 1

The Vostok 1 mission represents a pivotal moment in space exploration history. Launched by the Soviet Union in April 196...

Soviet Past Leo Crewed

9.7 Brilliant

5

OSIRIS-REx (Bennu Sample Return)

OSIRIS-REx is a NASA spacecraft mission designed to travel to the near-Earth asteroid 101955 Bennu, collect a surface sa...

2023 Nasa Asteroid Earth Return

9.7 Brilliant

6

Cosmic Background Explorer

The Cosmic Background Explorer (COBE) was a NASA space mission launched in 1989 to study the cosmic microwave background...

Survey Cosmology Nasa Microwave

9.4 Excellent

7

WMAP

The Wilkinson Microwave Anisotropy Probe (WMAP) was a NASA space mission that studied the cosmic microwave background ra...

Survey Cosmology Nasa Microwave

9.3 Excellent

8

COBE

The COBE (Cosmic Background Explorer) mission, operated by NASA from 1989 to 1993, provided crucial data about the early...

Cosmology Nasa Microwave Observatory

9.2 Excellent

9

Herschel

The Herschel Space Observatory was a European Space Agency mission launched in 2009. It operated primarily in infrared w...

Astronomy Telescope Infrared Past

8.8 Great

10

Infrared Astronomical Satellite

The Infrared Astronomical Satellite (IRAS) was a joint space telescope mission developed by the United States, the Nethe...

Telescope Nasa Infrared Past

8.6 Great

11

GALEX

GALEX (Galaxy Evolution Explorer) was a NASA space telescope designed to observe the sky in ultraviolet wavelengths. Lau...

Survey Nasa Galaxies Past

8.0 Great

12

Yohkoh

Yohkoh, originally designated as the Solar-A mission, was a Japanese solar observation satellite launched in 1991. The s...

Solar Observatory Past X Ray

8.0 Great

13

TRACE

TRACE (Transition Region and Coronal Explorer) was a NASA heliophysics satellite launched in 1998 to study the Sun's mag...

Solar Nasa Observatory Past

8.0 Great

14

Infrared Space Observatory

The Infrared Space Observatory (ISO) was a European Space Agency space telescope launched by an Ariane 4 rocket in Novem...

Astronomy Telescope Infrared Past

7.9 Good

15

Akari

Akari, originally known as ASTRO-F, was an infrared astronomy satellite developed by the Japan Aerospace Exploration Age...

Survey Telescope Infrared Past

7.7 Good

16

COROT

COROT (COnvection ROtation and planetary Transits) was a space telescope mission led by the French space agency CNES, la...

Observatory Asteroseismology Exoplanet Cnes

7.7 Good

17

NEO Surveyor

NEO Surveyor is a planned infrared space telescope developed by NASA, with a scheduled launch in 2027. Designed to opera...

Nasa Infrared Planned Asteroid

7.5 Good

18

Cheops

Cheops (Characterising Exoplanet Satellite) is a European Space Agency space telescope launched in December 2019, develo...

Survey Telescope Active Exoplanets

7.3 Good

19

Hisaki

Hisaki, also designated SPRINT-A, is a Japanese ultraviolet space telescope developed and operated by the Japan Aerospac...

Active Planetary Observatory Ultraviolet

6.9 Fair

20

AGILE

AGILE is a high-energy astronomy satellite developed for the Italian Space Agency and launched in 2007. Its instruments...

High Energy Observatory Gamma Ray Asi

6.9 Fair