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Return Of The Elongated  Mysterious Cloud On Mars (1800 km!)

Return Of The Elongated Mysterious Cloud On Mars (1800 km!)

Did you know that Earth isn’t the only planet in the solar system to have clouds?
Even on the Red Planet, there are clouds. 
Astronomers are aware of this, and they found a strange cloud, long about 1800 km, that acts weirdly. Every few years in spring or summer, this curious cloud returns, before disappearing once again. Ladies and gentlemen, fasten your seatbelts because we are going to talk about the resolution to one of the strangest mysteries of the Mars planet!
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With a human mission to Mars somewhere on the horizon, the planet is being scrutinized more than ever before. Currently, 8 orbiters are operating on the planet and some surface missions. As of February 2021, there are two operational rovers on the surface of Mars, the Curiosity and Perseverance rovers, both operated by the United States of America space agency NASA. A third rover, part of the Tianwen-1 mission, is currently attached to its orbiter and is planned to land in May 2021.
All of this just to say that if a cloud with a trail of about 1800 km suddenly emerges, it’s pretty easy for us to spot her. 
In fact, in 2018, a camera onboard the Mars Express mission caught sight of a strangely long and wispy cloud, billowing across the surface of the red planet.
From a distance, the 1,800-kilometer trail of fog almost resembled a plume of smoke – but it wasn’t! – and it seemed to be emerging from the top of a long- volcano. A unique scenario!
Looking back at other archived images, researchers soon realized this actually had been happening for a while. Every few years in spring or summer, this curious cloud would return, before disappearing once again. The fleeting plume was caught on camera in 2009, 2012, 2015, 2018, and again in 2020. 
A newly published study has now detailed the reasons behind why this long cloud keeps coming and going on Mars. To do this, researchers compared high-resolution observations of the 2018 plume to other archived observations, some of which stretch back all the way to the 1970s.
Here’s the cloud’s story. Each year, around the start of spring or summer in the southern Martian hemisphere, the Arsia Mons Elongated Cloud begins to take shape. The southern solstice is when the Sun is in its southernmost position in the sky. Since a Martian year is about twice as long as an Earth year—687 days compared to 365—the seasons last about twice as long. This cloud grows each morning during the season, for about three hours. Then, it disappears. We want to say it again: this cloud grows and disappears, daily!
The massive extinct volcano that is home to the cloud is Arsia Mons, a 20 km high (12.4 miles) landmark on Mars’ surface. But what’s the difference between Mars clouds and Earth clouds? On Earth, clouds are made from water whereas, on other planets, they could be made from a different substance such as Methane such as on Saturn. 
Earth clouds are created when the water at the ground/sea level is heated and evaporates into the upper atmosphere. When the water reaches a certain height depending on environmental conditions at the time will group with other water to form clouds. When the pressure dips, the clouds begin to break up in the form of precipitation (rain/sleet/snow/hailstorms) and fall to Earth. The fallen water drops will eventually go back up into the atmosphere to form new clouds. 
Mars, instead, is too cold for liquid water, so the cloud is made of water ice. Though it looks like it could be a plume from the volcano, it’s not. All of Mars’ volcanic activity ceased a long time ago.
Talking about our beautiful and mysterious Martian cloud, at dawn, dense air from the base of the Arsia Mons volcano begins to climb up the western slope. As temperatures drop, this wind expands and the moisture within it condenses around particles of dust, creating what here on Earth we call an orographic cloud.
Do you know what’s an “Orographic cloud”?
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Credits: Ron Miller
Credits: Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO
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15 New Stunning Images Of Mars From Curiosity Rover (2020)

15 New Stunning Images Of Mars From Curiosity Rover (2020)

15 New Stunning Images Of Mars From Curiosity Rover (2020)

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From the various peaks of mountains, to the valleys that help reveal so much about red planet, join me as we explore brand new images from Mars via the Curiosity Rover.
I want you to imagine that you are on Mars right now. That is after all the goal of many in the world right now. Between NASA, Space X, and various other international agencies, there are a lot of people who are working hard to get us to the red planet known as Mars, and in the process, create history. Because when we do land on Mars, it’ll be the first time a human has stepped foot on another planet.

15. The Curiosity Rover
You might not realize just how much we owe to the Curiosity Rover, so allow me to explain it to you and show you just how much work this singular machine had done. The Curiosity Rover was launched from Earth on November 26th, 2011.

14. Mount Sharp 1:17
In terms of the location of where the Curiosity Rover was posted, that would be the Gale Crater. This was an impact site that at one time was believed to have been a key place for various things like water and sediment. We know that there is water on Mars, and Curiosity has even found various forms of clay via its explorations.
13. 3D Map Of Mars
While not solely a thing from the Curiosity Rover, anytime you can make a top-down 3D map of an area, it can be very helpful in various tasks that you are trying to achieve. And sure enough, with the help of the Curiosity Rover and the satellites above and beyond Mars over the years, NASA was able to make a 3D map of the area the rover is in, and thus, create a way for them to look over the terrain that would help them go and find a path through the crater and up to the peaks of Mount Sharp.

12. Yellowknife Bay
Yellowknife By was one of the areas that the Curiosity Rover had to go through to get to Mount Sharp, and as you can see from these pictures, various styles and compositions of rock are here in this area. By looking at these pictures, a lot of information was able to be determined. Including the fact that at one time, this area was indeed filled with water. Hence the name “Yellowknife Bay”.

11. Parhump Hills
Continuing on its journey to Mount Sharp, the Curiosity Rover found itself looking at the base of the mountain via the Parhump Hills. And with this came a look at places like the Kimberly Foundation. The more pictures that were taken, the more proof was stacked about how the crater was at one time a major place of water.

10. Garden City
Heading now to a rather odd spot on the rovers journey to Mount Sharp was the place known as Garden City. When you take a look at these photos, it’s almost as if the place is full of bones and litter. But in fact, it’s a place that is full of various mineral deposits that winds and weaves throughout the area.

9. Martian Sunset
If you’re hoping to see more aesthetic things that rocks and dirt via the rovers time on Mars, then you’re in luck. Because during its time on the red planet, it had time to get some absolutely beautiful shots of the Martian sunrise and sunset. Do you notice anything interesting in this picture? Exactly. The Martian setting sun has a more bluish tint than anything we have here on Earth.

3. Vera Rubin Ridge
The highest point in its journey thus far, Vera Rubin Ridge is another case of massive erosion and embedding of sediments. Though it’s impossible to tell at present just how each structure was formed, we do know that some were because of wind erosion, but others don’t seem to be that way based on looks alone. Showing that even Mars can have some weird and unknown structures.
2. The View Of Mars
At the top of the ridge, Curiosity took the opportunity to make a beautiful panoramic shot. Showing Mars from the height it was at, and showcasing the depth of field and the distance it had traveled so far. The fun is quite spectacular, and it makes you wonder what it will be like when Curiosity reaches the top of Mount Sharp. It hasn’t reached there yet, but it will soon more than likely.
1. A Hi-Res Panorama
We’ve shown you a lot of pictures over the course of this video, but now, let’s show you a literal brand new one that has come from the Curiosity Rover just days before this video was made. This was a panorama image that was made by the Curiosity Rover taken over the course of a “break” from late November to early December. This Panoramic image is comprised of 1000 photos and is 1.8 BILLION pixels.
The picture itself is of the Glen Torridon, a region on the flanks of Mars’ 3.4-mile-high (5.5 kilometers) Mount Sharp that the rover has been exploring recently.

#InsaneCuriosity #RecentSpaceDiscoveries #MarsEverythingAboutTheRedplanet