Jupiter’s signature feature — its Great Red Spot — might not be the same dark spot seen on the giant planet more than three centuries ago. From 1665 to 1713, astronomer Giovanni Domenico Cassini and ...
The planet Jupiter is particularly known for its so-called Great Red Spot, a swirling vortex in the gas giant’s atmosphere that has been around since at least 1831. But how it formed and how old it is ...