Latest Gravity of Earth Stories
Cassini arrived at Saturn a little over nine years and has been observing the planet and its moons ever since. The latest data from the spacecraft shows the planet's largest moon, Titan, has some unexpected features.
Word of the Day
- Having no light.
- Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.
The word 'aphotic' comes from Greek roots meaning 'without' and 'light'.
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