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

International Space Station

The International Space Station represents a collaborative achievement in space exploration. It’s a permanently crewed r...

Research Station Current Leo

9.6 Brilliant

6

Mars Exploration Rover Opportunity

The Opportunity rover was a NASA mission designed to study the geology of Mars’ Meridiani Planum region. Launched in 200...

Geology Nasa Mars Rover

9.5 Brilliant

7

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

8

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

9

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

10

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

11

Infrared Astronomical Satellite

Infrared Astronomical Satellite was a 1983 American, Dutch, and British mission, notable as the first space telescope to...

Telescope Nasa Infrared Past

8.6 Great

12

GALEX

GALEX was a NASA ultraviolet space telescope launched in 2003, notable for surveying star formation and galaxy evolution...

Survey Nasa Galaxies Past

8.0 Great

13

Yohkoh

Yohkoh was Japan's 1991 Solar-A observatory, notable for a decade of X-ray solar flare and corona observations with NASA...

Solar Observatory Past X Ray

8.0 Great

14

TRACE

TRACE was NASA's 1998 Transition Region and Coronal Explorer, notable for high-resolution imaging of coronal loops until...

Solar Nasa Observatory Past

8.0 Great

15

Infrared Space Observatory

Infrared Space Observatory was an ESA telescope launched in 1995, notable for infrared spectroscopy and imaging of cool...

Astronomy Telescope Infrared Past

7.9 Good

16

Akari

Akari was JAXA's 2006 infrared astronomy satellite, notable for surveying nearly the whole sky with a 68.5 cm cooled tel...

Survey Telescope Infrared Past

7.7 Good

17

COROT

COROT was a French-led space telescope launched in 2006, notable for detecting exoplanets by transits and studying stell...

Observatory Asteroseismology Exoplanet Cnes

7.7 Good

18

Cheops

Cheops is an ESA space telescope launched in 2019 with Swiss leadership, built to measure the sizes of known exoplanets...

Survey Telescope Active Exoplanets

7.3 Good

19

Hisaki

Hisaki was JAXA's 2013 ultraviolet space telescope, notable as the first Epsilon-launched mission and for observing plan...

Active Planetary Observatory Ultraviolet

6.9 Fair

20

AGILE

AGILE was an Italian Space Agency astronomy satellite launched in 2007, notable for observing gamma-ray and X-ray source...

High Energy Observatory Gamma Ray Asi

6.9 Fair