Celestial body Active
Thalassa
Thalassa is a small moon of Neptune discovered during Voyager 2’s encounter. NASA reports an unusual avoidance dynamic with Naiad and states that...
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Celestial body Active
Thebe
A small, irregular inner moon of Jupiter at the outer edge of its faint ring system, probably associated with dust supply to the gossamer ring.
Celestial body Active
Titan
Titan, Saturn’s largest moon, combines a dense atmosphere, hydrocarbon lakes and an icy surface. Its internal structure remains an active researc...
Celestial body Active
Titania
Titania is Uranus’s largest moon. It was discovered by William Herschel on January 11, 1787, and was observed at close range by Voyager 2 in Janu...
Celestial body Active
TRAPPIST-1
TRAPPIST-1 is a main-sequence or subgiant star included in the CosmoInsider stellar archive.
Celestial body Active
Triton
Triton is Neptune’s largest moon and is notable for its retrograde orbit. Voyager 2 data revealed an icy surface, a tenuous atmosphere, active pl...
Celestial body Active
Umbriel
Umbriel is a major moon of Uranus, distinguished as the darkest of the large Uranian moons and by the old, heavily cratered surface reported from...
Celestial body Active
UY Scuti
UY Scuti is a supergiant star included in the CosmoInsider stellar archive.
Cosmic structure Active
Milky Way
The Milky Way is our home galaxy, a spiral galaxy with a stellar disk spanning more than 100,000 light-years.
Celestial body Active
VY Canis Majoris
VY Canis Majoris is a supergiant star included in the CosmoInsider stellar archive.
Celestial body Active
WOH G64
WOH G64 is a supergiant star included in the CosmoInsider stellar archive.
Celestial body Active
ZTF J1901+1458
ZTF J1901+1458 is a stellar remnant included in the CosmoInsider stellar archive.