Mystery Unfolds About Martian Rock Formation

22 Juin, 2018, 13:28 | Auteur: Therese Cote
  • NASA Medua

Furthermore, Mars's interior may still contain massive amounts of unpredictable toxic gasses because only substantial erratic gasses could have given birth to unusual rock formation as odd as the Medusae Fossae Formation.

The Medusae Fosse Formation has baffled scientists since it was spotted by the Mariner spacecraft in the 60s (as well as inspiring lots of bonkers YouTube videos). They found that the density of the rocks of the structure, only two thirds corresponds to the rest of the planet's crust, and this means that they are of volcanic origin, and the Medusae Fossae - the result of catastrophic eruptions.

Planetary scientists also found that the Medusae Fossae formation occurred about three billion years ago. As per the study, the MFF comprises of sedimentary deposits, which are nearly hundred times larger in comparison to the biggest volcanic deposit witnessed on the Earth.

Planetary scientists, Lujendra Ojha, at the John Hopkins University Baltimore says, "This is the most massive explosion and rock formation of the solar system as we are still ignorant about any other till date".

The study published in the Journal of Geophysical Research on May 22 said the formation of the Medusae Fossae marked a milestone in Mars' history. They say that it's possible that the violent eruptions ejected water that rose up to over 4 inches high throughout Mars.

Trump's 'Zero Tolerance Policy' Deterring Foreign Nationals from Entering U.S. Illegally
Inconsolable children calling for their parents can be heard in the audio obtained by ProPublica . Trump has some support in highly political Washington for his controversial policy.

Xavier Dolan se joint à la distribution de la suite de IT
Le magazine Deadline confirme aujourd'hui que Xavier Dolan a obtenu un rôle dans It: Chapter Two , la suite du succès It de 2017. Le rôle joué par l'actrice a toutefois dû être coupé au montage final pour les besoins de l'histoire.

Rendez-vous entre Naples et le PSG pour Areola (Radio Marte)
Buffon deviendrait le numéro un et laisserait les rôles de numéros deux et trois au duo Areola - Trapp. Il risque d'y avoir du mouvement concernant le poste de gardien de but au Paris Saint-Germain.

"Greenhouse gases exhaled during the eruptions that spawned the Medusae Fossae could have warmed Mars' surface enough for water to remain liquid at its surface, but toxic volcanic gases like hydrogen sulfide and sulfur dioxide would have altered the chemistry of the planet's surface and atmosphere. Both processes would have affected Mars' potential for habitability".

Called the Medusae Fossae Formation, the huge and unusual deposit of soft rock lies near Mars' equator, and consists of hills and abrupt mesas.

The ash spewed out by these eruptions would have cemented into rock over time, according to Ojha, but around half of it has eroded away since then, leaving behind the distinctive undulating hills and valleys that can be seen today. Equally murky is how it got there, with different combinations of wind, water, ice or volcanic eruptions suggested. To answer this puzzle, the authors of the new study measured the density of the rock formation using gravity data and radar data from various Mars orbiter spacecraft. They also used radar and gravity data in combination to show the Medusae Fossae's density can not be explained by the presence of ice, which is much less dense than rock. Volcanoes erupt in part because gases like carbon dioxide and water vapor dissolved in magma force the molten rock to rise to the surface.

If you distribute Medusae Fossae over the entire globe 9.7-meter thick surface layer, concluded Ojha. "Future gravity surveys could help distinguish between ice, sediments and igneous rocks in the upper crust of the planet", Lewis said.

Conseillé:

  • Australia v Ireland: Five Ireland changes for decisive third Test

    Cheika believes the team that adapts best from what they've learned in the opening two Tests will prevail in Saturday's finale.
    Melania Trump et la veste qui

    Melania Trump et la veste qui "s'en fiche complètement"

    Leurs chefs se sont finalement donné quelques jours de plus pour tenter de rallier plus de voix républicaines. Cela ne l'a cependant pas empêchée de porter la même veste à la sortie de l'avion, à son retour à Washington.
    Bilbao s'intéresse à Yuri Berchiche — PSG

    Bilbao s'intéresse à Yuri Berchiche — PSG

    L'ancien joueur de la Real Sociedad pourrait donc faire un retour au Pays Basque dès cet été. Son profil plairait beaucoup à Antero Henrique, le directeur du recrutement du PSG.
  • Trump administration to propose

    Trump administration to propose "association health plans"

    Republicans and some small-business groups said the administration is providing needed flexibility in the face of rising premiums. President Alfredo Ortiz said it "will create more options, more competition, and lower costs for Main Street small businesses".
    Man arrested after explosion at Southgate tube station

    Man arrested after explosion at Southgate tube station

    Following initial inquiries, it is believed that the explosion was caused by a drill battery short-circuiting. London Ambulance Service said two people were taken to hospital and three others were treated at the scene.
    China Set To Cut US Oil Imports As Trade War Heats Up

    China Set To Cut US Oil Imports As Trade War Heats Up

    On the other hand, according to analysts at Wood Mackenzie , "the us would find it hard to find an alternative market that is as big as China".
  • Denmark v Australia, Group C, 21 June 2018

    On the 50th minute, Denmark nearly went ahead after a sweeping move almost resulted in a goal but Pione Sisto fired just wide. Tom Rogic of Australia runs with the ball under pressure from Lasse Schone of Denmark during the 2018 FIFA World Cup Russia .
    Amazon ‘Prime Day’ date appears to leak via website glitch

    Amazon ‘Prime Day’ date appears to leak via website glitch

    The date was shown in a reportedly leaked Prime Day promo banner on Amazon's United Kingdom site, and spotted by TechRadar . Is the date still correct? It happens once a year, and a new leak claims the next Prime Day will arrive very soon.
    Triste: Miss Grande-Bretagne 2009 est décédée à 32 ans - People

    Triste: Miss Grande-Bretagne 2009 est décédée à 32 ans - People

    Selon le Daily Star , la jeune femme a été retrouvée morte dans la soirée à Ponteland, en Angleterre. Je souhaite seulement parler aux personnes qui se soucient de moi et qui se souciaient d'elle.
  • Viruses Might Play A Role In Alzheimer’s

    Viruses Might Play A Role In Alzheimer’s

    In their study, they found that herpesviruses were involved in networks that regulate amyloid precursor proteins. This particular set of herpes viruses is common.
    How England players reacted to seeing Gareth Southgate with a dislocated shoulder

    How England players reacted to seeing Gareth Southgate with a dislocated shoulder

    Southgate was back at the base in time to hold a planned meeting with his players before dinner - albeit with his arm in a sling. They were supposed to be relaxing because we let the players have a bit of time off and I am causing them to work.

    Neymar returns to Brazil World Cup training

    Neymar lacked sharpness against Switzerland and Tite became angry after he was asked if he had spoken personally with star to encourage him to be more unselfish. "Absolutely not.


Populaire

Murray se loupe pour son retour — Queen's
Une énorme bataille de retour pour celui qui disputait son premier match depuis... " Il faut juste qu'il accumule les matches ".

Lewis Hamilton faces engine wait ahead of French Grand Prix
In my lifetime it's not been great for us, but we have a good team and England deserve at some time to win the World Cup . We are the most successful of this whole era. "Everyone's got a way of saying that we will do better somehow, some way".

Cubs closer Brandon Morrow goes on DL with back tightness
Signed by the Cubs after helping the Los Angeles Dodgers beat them in the NLCS last season, Morrow has 16 saves in 17 chances. Morrow is hopeful that his muscles will relax "since it's not like a trauma-induced spasm" and is "very localized".

Thousands join Modi for world yoga celebration; some wear masks
Incidentally, this is the fourth time the Prime Minister's Office (PMO) has refused to give an appointment to the CM of the southern state.

Italy's Osteria Francescana crowned world's best restaurant again
Our series Reasons to Travel Now highlights the news, events, and openings that have us scoping out plane tickets each day. It should come as no surprise that the most prestigious global restaurant award ceremony is also the most contentious .

Trump says he'll be 'signing something' to keep families together
He said the Border Patrol agents who have come under fire amid this controversy are only enforcing the laws that Congress enacted. If those options are exhausted, authorities must find the "least restrictive" setting for the child who arrived without parents.

Arrest made in murder of S. Florida rapper XXXTentacion
He was awaiting trial for charges of false imprisonment, witness tampering and battery of the pregnant woman before his death. Police said Dedrick Williams , (age?), of Pompano Beach , was arrested shortly before 7pm on Wednesday.

Stephen Colbert Mocks Melania's Jacket: Was 'Womp Womp' Your First Choice?
She carefully selected a Chanel gown to wear when the Trump's hosted their first state dinner with France's First Couple. At the facility the first lady talked with staff about how the children were being treated and asked how she could help.

Federation Internationale de Football Association defends United States ref over Morocco's shirt claim
Geiger denied the allegation to Federation Internationale de Football Association , with the governing body adding that the referee behaved in an "exemplary and professional manner".

Federation Internationale de Football Association 2018: Iceland will feel the heat, literally
Two Iceland fans have driven all the way to Russian Federation from Iceland after winning a World Cup-themed vehicle . Iceland has a point after drawing Argentina in the opener, while Nigeria was left frustrated in a 2-0 loss to Croatia.