swap_horiz Yohkoh Alternatives

1

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

2

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

3

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

4

Apollo 17

The Apollo 17 mission represents NASA’s concluding journey to the Moon within the Apollo program. Launched in December 1...

Lunar Nasa Apollo Past

9.4 Excellent

5

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

6

Viking 1

The Viking 1 mission involved both an orbiter and a lander deployed to Mars in 1975. It achieved the historic feat of de...

Nasa Mars Past Lander

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

Hayabusa

The Hayabusa mission, developed by JAXA, successfully retrieved microscopic samples from the asteroid Itokawa in 2010. T...

Past Asteroid Jaxa Sample Return

8.8 Great

9

Kaguya

Kaguya, also called SELENE, was Japan's 2007 lunar orbiter that mapped the Moon in detail with subsatellites and high-de...

Past Moon Orbiter Jaxa

8.4 Great

10

Rossi X-ray Timing Explorer

Rossi X-ray Timing Explorer was a NASA satellite launched in 1995 to study fast X-ray variability from black holes, neut...

Astronomy Nasa Past Timing

8.3 Great

11

IKAROS

IKAROS was a JAXA spacecraft launched in 2010, notable as the first successful interplanetary mission propelled by a sol...

Technology Past Venus Jaxa

8.1 Great

12

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

13

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

14

SLIM

SLIM was Japan's 2023 lunar lander, built by JAXA to demonstrate pinpoint landing and making Japan the fifth country to...

Precision Past Moon Lander

7.7 Good

15

Geotail

Geotail was a 1992 ISAS-NASA mission that studied Earth's magnetotail, notable for three decades of magnetosphere observ...

Nasa Past Magnetosphere Earth

7.6 Good

16

RHESSI

RHESSI was a NASA solar observatory launched in 2002, notable for imaging solar flares in X-rays and gamma rays with hig...

Solar Nasa Past X Ray

7.5 Good

17

Akebono

Akebono was Japan's 1989 EXOS-D satellite for aurora and magnetosphere studies, notable for 26 years of observations bef...

Aurora Past Magnetosphere Earth

7.4 Good

18

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

19

Hitomi

Hitomi was a Japanese X-ray astronomy satellite launched in 2016, notable for brief high-resolution observations before...

Astronomy Telescope Past X Ray

4.7 Poor

20

Nozomi

Nozomi was Japan's first Mars probe, launched by ISAS in 1998, but propulsion and electrical problems prevented Mars orb...

Planetary Mars Past Orbiter

3.4 Poor