A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots. Hydrothermal vents exist because the earth is both geologically active and has large amounts of water on its surface and within its crust. Common land types include hot springs, fumaroles and geysers. Under the sea, hydrothermal vents may form features called black smokers. Relative to the majority of the deep sea, the areas around submarine hydrothermal vents are biologically more productive, often hosting complex communities fueled by the chemicals dissolved in the vent fluids. Chemosynthetic bacteria and archaea form the base of the food chain, supporting diverse organisms, including giant tube worms, clams, limpets and shrimp. Active hydrothermal vents are believed to exist on Jupiter's moon Europa, and Saturn's moon Enceladus, and ancient hydrothermal vents have been speculated to exist on Mars.
(ALI VICOY / FILEPHOTO / MANILA BULLETIN). In its volcano bulletin issued on Friday, Feb. 26, Phivolcs said only weak steam-laden plumes were emitted by fumarolic (hydrothermal) activity at the vents of the main crater despite the occurrence of 113 tremor episodes ... 18 and Feb. 12, 2021, Phivolcs added ... .
Lifeforms living in sediment at the bottom of the ocean get their energy from chemicals produced from irradiated seawater ... you get the idea. Where sunlight isn't available, life sometimes still finds a way, for example feeding off the abundant heat and molecules around hydrothermal vents on the bottom of the ocean ... ImageCredit. Justine Sauvage ... .
HANNAH MARGOLIS ... In recent years, despite data from the Voyager and Cassini spacecrafts suggesting water oceans on Jupiter’s moon Europa and salt oceans with potential hydrothermal vents on Saturn’s moon Enceladus, our fascination with Mars has continued ... Perhaps one of the most stunning things about Mars is how similar it looks to places on earth ... .
Scientists tell Salon. Probably not ... Yet Dr ... Why? ... Michael L ... "You basically go from being limited to that chemosynthetic life that needs to live near — energy sources like springs or hydrothermal vents or volcanic sources of the things that you need to live — to being able to spread out across large planetary surfaces that are based in light." ... .
But consensus suggests life began around hydrothermal vents under the oceans — where a cocktail of chemicals necessary for life fused simple organic compounds into complex ones, like DNA. This process — called abiogenesis — involves water near the vents moving ...
Deep-sea hydrothermal vents are characterized by extremely high hydrostatic pressures and darkness, and they can release fluids overheated by the Earth's crust, with concentrated toxic heavy metals and chemical substances. These characteristics make hydrothermal vents one of the most uniquely extreme environments on our planet.
A research team including the geobiologist Dr ... The current study, published in the journal ‘Nature Communications‘, now shows that solutions from archaic hydrothermal vents contained essential components that formed a basis for the earliest life on our planet ... The barite thus dates from a time when early life developed on Earth.
It lives in one of the cushiest parts of the deep sea, in the shimmering waters near a hydrothermal vent that warms the freezing seas to the temperature of a kiddie pool ... Dykman works in the lab of the biologist Lauren Mullineaux, who has spent decades studying the hydrothermal-vent community where this zoarcid lived, ate, and died.
La Soufrière Volcano, Saint Vincent and The Grenadines... Monitoring systems are continuously manned and there is regular visual inspection of potential vent areas as well as continuous ground deformation and hydrothermal monitoring. .
The ship is named after Tom Crean who was a native of Annascaul in Co Kerry... Lots of amazing discoveries have been made in Irish waters on the RV CelticExplorer including the discovery of many ship wrecks, cold water corals, large mountains and canyons under the water and the Moytirra Hydrothermal vent and most recently a rare shark nursery. .
The fish are not yet orange, striped or even capable of swimming ... DROWNING OUT THE SIGNALS ... Toadfish hum ... A healthy ocean is not a silent ocean -- hail crackling into white-crested waves, glaciers thudding into water, gases burbling from hydrothermal vents, and countless creatures chittering, rasping and singing are all signs of a healthy environment.
M Ravichandran, Director, NCPOR, told BusinessLine that the Centre would hire “a swarm of AUV (autonomous underwater vehicles)” and send them down 4 km in another area of Indian ocean, east of Madagascar, to check out marine life and minerals hydrothermal vents— openings in the ocean floor out of which hot, mineral-rich water flows.