Observatories Like Hipparcos
Gaia
Observatory
9.70
Brilliant
Planck
Observatory
9.35
Excellent
Herschel Space Observatory
Observatory
9.10
Excellent
LISA Pathfinder
Observatory
8.40
Great
Cassini-Huygens
Observatory
9.80
Brilliant
Kepler Space Telescope
Observatory
9.60
Brilliant
Galileo spacecraft
Observatory
9.40
Excellent
SOHO
Observatory
9.30
Excellent
Spitzer Space Telescope
Observatory
9.20
Excellent
BeppoSAX
Observatory
8.90
Great
XMM-Newton
Observatory
8.90
Great
ROSAT
Observatory
8.60
Great
RXTE
Observatory
8.40
Great
Hinode
Observatory
8.40
Great
IXPE
Observatory
8.20
Great
Suzaku
Observatory
8.10
Great
Parker Solar Probe
Observatory
9.55
Brilliant
Arecibo Observatory
Observatory
9.40
Excellent
Fermi Gamma-ray Space Telescope
Observatory
9.05
Excellent
Solar Dynamics Observatory
Observatory
9.05
Excellent
Neil Gehrels Swift Observatory
Observatory
9.00
Excellent
WISE
Observatory
8.80
Great
Roman Space Telescope
Observatory
8.80
Great
Uhuru
Observatory
8.60
Great
