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Jeden z księżyców Saturna oficjalnie stał się kolejnym możliwym siedliskiem pozaziemskich mikrobów. Naukowcy z Europy i z USA odkryli, że lodowa powierzchnia Enceladusa kryje wody ocean. 4Ocean is a global movement actively removing trash from the ocean and coastlines while inspiring individuals to work together for cleaner oceans, one pound at a time. Plastic is everywhere – even the deepest parts of the ocean are now awash with it. The amount of plastic in the ocean is set to treble in a decade unless litter is curbed, a major report has warned. Dr Bruno Simões tells us how he pursued sea snakes from the mangroves to the open ocean to learn about their vision. Obecnie poza Ziemią nie są znane żadne ciała niebieskie, na których potwierdzona byłaby obecność powierzchniowych zbiorników ciekłej wody. Prawdopodobnie przed 3-4 miliardami lat istniał ocean na Marsie, jednak utrata pola magnetycznego i rozrzedzenie atmosfery planety przyczyniły się do jego zaniknięcia. In the broad pathways of the ocean such a chance is doubtful. It is often stated that the thermohaline circulation is the primary reason that the climate of Western Europe is so temperate. An alternate hypothesis claims that this is largely incorrect, and that Europe is warm mostly because it lies downwind of an ocean basin, and because atmospheric waves bring warm air north from the subtropics.[39][40] In an air-conditioned cabin in a teeming port in Papua New Guinea, Leslie Kewa reaches for a joystick that will control a machine the size of a house. Nearly half a century after the CIA men pretended to mine the ocean floor, he’s about to do it for real. We on the other hand cross the ocean in sixteen hours in a flying machine. The geologist Bram Murton has warned of “an ill-informed knee-jerk reaction” to ocean mining which, he says, offers the potential to support a low-carbon future. According to a scientific meeting at the Museum this week, mining the deep ocean for minerals could cause wide-ranging, decades-long disturbances to the seafloor’s diverse ecosystems. Although Earth is the only known planet with large stable bodies of liquid water on its surface and the only one in the Solar System, other celestial bodies are thought to have large oceans.[59] In addition, the Institute fosters the democratization of ocean science by offering media workshops and immersive educational experiences to the public. We actively connect artists and advocates, scientists and students, media-makers and policy-makers in an effort to engage them in collective artistic approaches that address ocean issues. The scaly foot snail is another rare creature only known to live in two spots in the ocean, both of which are licensed for mining. The Organisation for Economic Co-operation and Development (OECD) projects that the ocean economy will more than double in size by 2030. The impact of this growth will be profound around the world and give Canada the opportunity to spur the development and adoption of technologies that will support both higher value output from ocean resources and greater sustainability in established and emerging ocean sectors. Uncover the secrets of the largest animals in the ocean. The Antarctic Circumpolar Current encircles that continent, influencing the area’s climate and connecting currents in several oceans. Innovation and technology are essential components in our effort to restore the health of the ocean. SOA’s Ocean Solutions Accelerator encourages entrepreneurship and advances the initiatives of ocean-focused startups with revenue-generating technology solutions. Economic benefits generated by the ocean per year To keep oceans healthy, we must fully understand the science of diverse fisheries and build management systems to control when, where, how, and how much people fish.  Exploring and studying them is critical to protect these valuable resources for future generations. Uncover why we need to protect the oceans, find out how to get involved and dive into cutting-edge research about life underwater. The pelagic zone can be further subdivided into two subregions: the neritic zone and the oceanic zone. The neritic zone encompasses the water mass directly above the continental shelves whereas the oceanic zone includes all the completely open water. The Mars ocean hypothesis suggests that nearly a third of the surface of Mars was once covered by water, though the water on Mars is no longer oceanic (much of it residing in the ice caps). The possibility continues to be studied along with reasons for their apparent disappearance. Astronomers think that Venus had liquid water and perhaps oceans in its very early history.[citation needed] If they existed, all later vanished via resurfacing. The Foresight reports are written by experts to brief ministers on medium and long-term issues of significance. This one has been signed off by ministers from four different departments as the authors emphasise the need for a joined-up oceans policy.  @oceanprime_cmr The ocean covers more than two-thirds of our planet, and there’s so much of it left unexplored. How are we humans supposed to blend in to uncover all of its secrets, when our observation tools are hooked to clunky vehicles with fish-scaring propellers and jets? Despite their deep, dark habitat, the fish species the scientists found inhabiting this region tended to resemble the colourful fish found on coral reefs rather than true deep-ocean fishes. In fact, getting to the deepest reaches of the ocean is so expensive that some people – like Oscar-winning director James Cameron – take it upon themselves to explore underwater spaces rarely visited by humans. Viking introduces the definitive way to explore the world in comfort. We call them Ocean & River Voyages, an innovative marriage of our award-winning river and ocean cruises. Designed for those who want to get the most from our rivers and oceans itineraries, these enriching journeys highlight the historic treasures, colorful cultures and seldom-seen sights of both inland and coastal destinations, so you’ll enjoy the full Viking experience on one seamless itinerary. These are epic voyages that only Viking can provide. Test your ocean smarts and answer five quick questions to see how deep your ocean knowledge goes. Wiatry wiejące nad rozległymi obszarami wodnymi powodują powstawanie na powierzchni oceanu fal. Katastrofalne zjawiska, takie jak podwodne trzęsienia ziemi, wybuchy wulkanów czy rozległe osuwiska wywołują niszczące fale tsunami. Znacznie rzadziej tsunami może powstać na skutek upadku planetoidy, która trafi w powierzchnię oceanu. Professor Richard Twitchett explains what a more acidic ocean could mean for the future of marine life. The Ocean Cleanup is honored to welcome former NOAA Chief Scientist Dr. Richard (Rick) Spinrad as the newest member of our Scientific Advisory Board (SAB). In his advisory role, Dr. Spinrad will focus on challenging our work and designs based on his extensive experience in oceanography and the maritime technology field. His role will… The ocean offers a range of dining options.  Protect the ocean and you protect yourself Professor Richard Twitchett explains what a more acidic ocean could mean for the future of marine life. A team at Massachusetts Institute of Technology has unveiled their own solution—an ultrasound-controlled, soft robotic fish. It’s not the only fish robot out there, but it could be the first that can swim in three dimensions, untethered, in the open ocean. Such a robot has the potential to transform the way biologists study the ocean. If a zone undergoes dramatic changes in temperature with depth, it contains a thermocline. The tropical thermocline is typically deeper than the thermocline at higher latitudes. Polar waters, which receive relatively little solar energy, are not stratified by temperature and generally lack a thermocline because surface water at polar latitudes are nearly as cold as water at greater depths. Below the thermocline, water is very cold, ranging from −1 °C to 3 °C. Because this deep and cold layer contains the bulk of ocean water, the average temperature of the world ocean is 3.9 °C.[citation needed] If a zone undergoes dramatic changes in salinity with depth, it contains a halocline. 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