Bubbles may put mysterious fizz in Titan’s polar sea
![Titan magic island](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/041717_AY_titan_main.jpg?fit=860%2C460&ssl=1)
SHAPESHIFTER Nitrogen bubbles may be the source of an on-again, off-again bright spot, or “magic island,” on Saturn’s moon Titan. Cassini spacecraft images of the island, which sits in a hydrocarbon sea called Ligeia Mare, revealed the feature’s fickle nature.
Cornell/ASI/JPL-Caltech/NASA