Massive Dust Storm Swallows Mars

Massive Dust Storm Swallows Mars

A martian dust storm that started in late May, silencing NASA’s Opportunity rover, has now wrapped itself around the entirety of Mars, radically transforming the appearance of the Red Planet. Amateur astronomers are taking pictures of the storm through backyard telescopes, and even naked-eye observers say they can see changes in the planet’s color.

Above: In these two images, the same side of Mars is facing Earth, yet the Red Planet looks totally different. Dust is hiding the planet’s usual surface markings in July 2018. Photo credit: Raffaello Lena.

 

“Mars has essentially vanished beneath the dust,” says longtime Mars photographer Damian Peach of the UK. He created this animation showing how much has changed:

“The animation shifts back and forth between a reference image of the Tharsis region taken by the Mars Global Surveyor spacecraft and my own image taken on June 28th,” he explains. “The volcanic peaks of Tharsis remain clear, and also a dark spot in Valles Marineris, but little else ties up with known albedo markings, especially the dark/light streaks.”

Mars is now approaching Earth for a 15-year close encounter in late July 2018. Astronomers have had this month marked on their calendars for years, expecting unusually clear views of the Red Planet. The dust storm may have other ideas.

Via NASA spaceweather.com

via Watts Up With That?

https://ift.tt/2INdmdd

July 2, 2018 at 05:53PM

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