How many dark spots does Neptune have?

Does Neptune have dark spots?

The Great Dark Spot is thought to be a hole in the methane cloud deck of Neptune. … Neptune's dark spots are thought to occur in the troposphere at lower altitudes than the brighter upper cloud deck features. As they are stable features that can persist for several months, they are thought to be vortex structures.

How long has the dark spot been on Neptune?

The large storm, which is 4,600 miles across, is the fourth dark spot Hubble has observed on Neptune since 1993. Two other dark storms were discovered by the Voyager 2 spacecraft in 1989 as it flew by the distant planet, but they had disappeared before Hubble could observe them.

Does Neptune have a great blue spot?

The distant, blue-green planet Neptune has again surprised astronomers with the emergence of a new great dark spot in the cloudy planet's northern hemisphere. The feature was discovered by NASA's Hubble Space Telescope.

Is Neptune’s Great Dark Spot a storm?

Great Dark Spot on Neptune, captured by a narrow-angle camera aboard Voyager 2, 1999. Clouds appear in Neptune's dynamic atmosphere in an image captured by Voyager 2 in 1989. At the centre is the Great Dark Spot, a swirling storm system the size of Earth, and its associated methane-ice clouds.

Does Uranus have a dark spot?

This image shows a dark spot on the surface of Uranus. This dark spot is a vortex measuring 1,100 miles by 1,900 miles — large enough to engulf two-thirds of the United States — and was caused by churning winds in the planet's atmosphere. For a zoomed out image look here.

What planet is Uranus?

Uranus is the seventh planet from the Sun, and has the third-largest diameter in our solar system. It was the first planet found with the aid of a telescope, Uranus was discovered in 1781 by astronomer William Herschel, although he originally thought it was either a comet or a star.

What is Neptune’s storm called?

The Great Dark Spot The Great Dark Spot was a huge spinning storm in the southern atmosphere of Neptune which was about the size of the entire Earth. Winds in this storm were measured at speeds of up to 1,500 miles per hour. These were the strongest winds ever recorded on any planet in the solar system!

What is Neptune’s storm?

Neptune's storms are similar those on the other gas giants and ice giants (Neptune is an ice giant) and can grow in size to easily dwarf the largest hurricanes or cyclones on Earth, becoming as large as Earth itself.