Researchers may have resolved a mystery of the Great Red Spot, a massive storm swirling above Jupiter’s surface. The astronomer Giovanni Domenico Cassini first observed a vortex over the same ...

In 1879, the spot was 24,233 miles across, and it has slowly shrunk to its current size of 8,700 miles in diameter, ... Do you have a question about Jupiter? Let us know via [email protected].

The Red Spot on Jupiter is a massive, persistent high-pressure storm system, located in the planet’s southern hemisphere. It measures over 16,000 kilometers (10,000 miles) in width, which makes ...

Astronomers used historical observations to conclude Jupiter's Great Red Spot is at least 190 years old. ... In 1879, when it appeared more sausage-like, it was some 24,200 miles (39,000 ...

Jupiter’s striking Great Red Spot has puzzled astronomers for years. Now, they think they know just how old it is and how the cyclone formed in Jupiter’s atmosphere.

Researchers studying the origin of Jupiter's Great Red Spot suspect it's not the same storm observed by Cassini in 1665. Instead, this Great Red Spot likely formed at least 190 years ago.

Jupiter's iconic Great Red Spot has persisted for at least 190 years and is likely a different spot from the one observed by the astronomer Giovanni Domenico Cassini in 1665, a new study reports.

Jupiter's Great Red Spot is a large storm that has persisted for at least 190 years. ... The current spot has diminished from a length of 24,200 miles in 1879 to around 8,700 miles currently.

Jupiter’s striking Great Red Spot has puzzled astronomers for years. Now, they think they know just how old it is and how the cyclone formed in Jupiter’s atmosphere.