She said: The extent of this huge cloud can’t be seen if your camera only has a narrow field of view, or if you’re only observing in the afternoon. Instead, the curious stream forms as airflow is influenced by the volcano’s ‘leeward’ slope − the side that does not face the wind. Ce nuage a une structure en forme de queue, il est constitué d'eau et de glace, et peut gagner plus de 1 800 kilomètres de longueur. The cloud has a tail-like structure, consists of water and ice and can gain over 1,800 kilometers (1118 miles) in length. It is formed when local winds interact with the topography in a certain way and not because of the volcano it forms over. ... As a result of this rather strange encounter it became known as the Arsia Mons Elongated Cloud and it was listed off as unexplained and unknown by the team of experts inspecting it yet again. The cloud stretches for about 930 miles (1500 kilometers) and hasn't dissolved for over a month. Bottom line: Images from the Mars Express spacecraft show that a mysteriously long, thin cloud has again appeared over the Arsia Mons volcano on Mars. On the leeward slope, water ice condenses, forming a cloud which can extend westward for more than 1000 km. | The Mars Express orbiter, which has been studying Mars for the past 16 years, captured these images of a strange, very elongated cloud on Mars on July 17 and 19, 2020. August 2, 2020 August 2, 2020. Credit: ESA/GCP/UPV/EHU Bilbao A mysteriously long, thin cloud has again appeared over the 20-km-high Arsia Mons volcano on Mars. Meet the Arsia Mons Elongated Cloud, or AMEC. View larger. Nous concevons et vous aidons à réaliser les projets innovants qui changeront votre futur. A similar cloud was found i n the VMC archive in different M artian Y ears (MY) , around the southern solstice (Ls 270º), a season known for a general lack of clouds … A recurrent feature, the cloud is made up of water ice, but despite appearances it is not a plume linked to volcanic activity. The Mars Express science team have now named the cloud the Arsia Mons Elongated Cloud, AMEC. The southern solstice is the period of the year when the sun is in the southernmost position in the Martian skies, just like the December 21-22 solstice here on Earth. The elongated cloud hovering near Arsia Mons this year was also observed with the visible and near-infrared mapping spectrometer, OMEGA, and the High Resolution Stereo Camera (HRSC) on Mars Express, providing scientists with a variety of different data to study this phenomenon. This elongated cloud forms every Martian year during this season around the southern solstice, and repeats for 80 days or even more, following a rapid daily cycle. These images of the cloud, which can reach up to 1800-km in length, were taken on 17 and 19 July by the Visual Monitoring Camera (VMC) on Mars Express, which has been studying the Red Planet from orbit for the past 16 years. These images of the cloud, which can reach up to 1800-km in length, were taken on 17 and 19 July by the Visual Monitoring Camera (VMC) on Mars Express, which has been studying the Red Planet from orbit for the past 16 years. Mars Express mission team member Eleni Ravanis works specifically for the VMC instrument. Here’s the cloud, extending west of the Arsia Mons volcano on Mars, seen in a Mars Express image taken October 10, 2018. A mysteriously long, thin cloud has again appeared over the Arsia Mons volcano on Mars. The elongated cloud formation can reach 1,800 kilometers (1,120 miles) in length, and hovers above the 20-kilometer-high (12.4-mile) Arsia Mons volcano, close to the planet's equator. A mysteriously long, thin cloud has again appeared over the 20-km (~12 miles / 65,000 feet) high Arsia Mons volcano on Mars.. A recurrent feature, the cloud is made up of water ice, but despite appearances, it is not a plume linked to volcanic activity.Instead, the curious stream forms as airflow is influenced by the volcano’s ‘leeward’ slope − the side that does not face the wind. In the early mornings during this period, this fleeting cloud grows for about three hours, quickly disappearing again just a few hours later. Essa nuvem tem uma estrutura semelhante a uma cauda, é composta de água e gelo, e pode chegar a … In 2020, we are donating 8.5% of all incoming revenues to No Kids Hungry. It is formed when local winds interact with the topography in a certain way and not because of the volcano it forms over. A mysterious elongated cloud that stretches some 1,100 miles over Mars has returned - it was last seen in 2018. A recurrent feature, the cloud is made up of water and ice and can stretch for over 1,100 miles (1,800 km). Le jour martien, appelé « … Picture: ESA. | The Mars Express orbiter, which has been studying Mars … The massive extinct volcano that is home to the cloud is Arsia Mons, a 20 km high (12.4 miles) landmark on … Though Mars' atmosphere is much thinner than … ENGAGEMENT. As they study this cloud more, they hope to discover why it appears and … Instead, the curious stream forms as airflow, influenced by the volcano’s leeward slope (the side that does not face the wind). Click here for an annotated version of this image, which is … Instead, the curious stream forms as airflow is influenced by the volcano’s ‘leeward’ slope − the side that does not face the wind. Luckily for Mars Express, the highly elliptical orbit of the spacecraft, coupled with the wide field of view of the VMC instrument, lets us take pictures covering a wide area of the planet in the early morning. Why does it only form in the early morning? Nous … Sa taille change tout au long de la journée martienne - le matin, il s'allonge, parallèlement à l'équateur. The Arsia Mons Elongated Cloud, or AMEC, as it’s called, can reach about 1,110 miles (1,800 km) in length. A recurrent feature, the cloud is made up of water ice, but despite appearances it is not a plume linked to volcanic activity. Mysterious cloud forms over Arsia Mons volcano on Mars. Since 13 September, ESA’s Mars Express has been observing the evolution of an elongated cloud formation hovering in the vicinity of the 20 km-high Arsia Mons volcano, close to the planet’s equator.. Its long bright trail has become a familiar feature over the peak known as Arsia Mons, to the southeast of … The scientists have named it the cloud as Arsia Mons Elongated Cloud (AMEC). So, how long has it been disappearing and reappearing? Since September 13 2018, an impressive elongated cloud was spotted by VMC around the Arsia Mons volcano, this curious cloud atracted the attention of thousands of people who were curious about this singular event in Mars. Since 13 September, ESA’s Mars Express has been observing the evolution of an elongated cloud formation hovering in the vicinity of the 20 km-high Arsia Mons … For the past couple of years, the Mars Express orbiter of the European Space Agency (ESA) has been keeping an eye on a mysteriously long, thin cloud that periodically shows up over Arsia Mons, the 12-mile-high (20-km-high) volcano on Mars. As per ESA, the tail-like cloud made of water ice can be as long as 1,800 km. Dynamics of the extremely elongated cloud on Mars Arsia Mons volcano (EGU 2020) A repeated weather phenomenon occurs each year near the start of southern winter over Arsia Mons. Stay tuned as scientists continue to investigate, and we reveal more mysteries from Mars. Le nuage allongé d'Arsia Mons (AMEC) est un nuage sous le vent observé au-dessus du volcan dormant d'Arsia Mons, haut de 20 kilomètres, sur Mars. Arsia Mons is about 30 times the size of the largest volcanoes that are scattered across Earth, and similar clouds like the one spotted in September have been observed in 2009, 2012 and 2015. The cloud can grow to be up to 1800 km (1120 miles) long. The massive extinct volcano that is home to the cloud is Arsia Mons , a 20 km high (12.4 miles) landmark on Mars’ surface. The Arsia Mons Elongated Cloud, or AMEC, as it’s called, can reach about 1,110 miles (1,800 km) in length. A mysteriously long, thin cloud has again appeared over the 20-km-high Arsia Mons volcano on Mars. The stream forms as the airflow is influenced by the side of the volcano that does not face the wind, baffling scientists. Starting in September 2018, a daily repeating extremely elongated cloud was observed extending from the Mars Arsia Mons volcano. Scientists have spotted the mysterious elongated plume above Mars’ Arsia Mons volcano reappear and say it is not created by volcanic activity on Mars. The scientists have named it the cloud as Arsia Mons Elongated Cloud (AMEC). The cloud can grow to be up to 1800 km (1120 miles) long. Arsia Mons Elongated Cloud Return of the extremely elongated cloud ... on Mars A mysteriously long, thin cloud has again appeared over the 20-km high Arsia Mons volcano on Mars. What is the Arsia Mons Elongated Cloud? Scientists on the project recently named the planet's most prominent cloud the Arsia Mons Elongated Cloud, or AMEC. A recurrent feature, the cloud is made up of water ice, but despite appearances it is not a … So, for how long has it been disappearing and reappearing? That means we can catch it! The Mars Express science team has named the cloud the Arsia Mons Elongated Cloud, AMEC. She and her husband live in Tennessee and have two grown sons. Picture: ESA. 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