Atmosphere detected • 25%

Water detected • 25%

Additional moons discovered • 25%

Other • 25%

Confirmation of subsurface ocean • 25%

New geological activity • 25%

New atmospheric composition data • 25%

Other • 25%

Evidence of primitive life forms • 25%

New atmospheric chemical compounds • 25%

Geological activity • 25%

Other significant discovery • 25%

Ocean confirmation • 25%

Life detection • 25%

Geological activity • 25%

Other • 25%

Presence of new gas • 25%

Evidence of storms • 25%

Temperature extremes • 25%

Other • 25%

New isotopic evidence • 25%

New origin theory • 25%

Impact effects on other species • 25%

Other • 25%

New meteorite type identified • 25%

New collision event discovered • 25%

New dating method developed • 25%

Other discovery • 25%

Presence of liquid water • 25%

Presence of a nitrogen-rich atmosphere • 25%

Signs of extraterrestrial life • 25%

Other significant finding • 25%

Radial velocity measurements • 25%

Transit photometry • 25%

Direct imaging • 25%

Astrometry • 25%

New gas movement patterns • 25%

New chemical elements • 25%

New surface features • 25%

Other • 25%

Eclipse reference in another ancient text • 25%

Planetary alignment reference in an ancient text • 25%

Comet sighting reference in an ancient text • 25%

Other astronomical event reference • 25%

NASA • 25%

Johns Hopkins University • 25%

European Space Agency (ESA) • 25%

Other • 25%