Sentences with phrase «for early oceans»

«The evidence for early oceans on Mars is controversial, and this question hits on a pretty fundamental issue,» says Science News astronomy writer Lisa Grossman.

Another flask below provided a miniature pond of water, as the model for an early ocean.

Not exact matches

Otherwise, there's the nearby and ever - entertaining New York City, a hundred - plus miles of Atlantic Ocean coastline, a smallish mountain range or two, a major amusement park, a half dozen professional sports teams (most of them mediocre at best), small - time skiing, a pretty Ivy League campus by the name of Princeton University, a wealth of black bear in exclusive suburban communities, the early homes of such celebrity types as Martha Stewart, Jack Nicholson and Bruce Springsteen, the site of the Hindenburg disaster, and (for visionary types) the ghosts of Albert Einstein and Thomas Edison, who lived and worked in the state for awhile.

If these shallow pools existed at least 700 million years earlier — or when the oceans of Mars began to evaporate — they may have bridged a crucial gap for microbial life on the planet.

Australian Madeleine Habib ran away to sea in her early 20s, following her love for the ocean and a passion for environmental and social activism.

4s) then photons erupted from this energy cloud (detectable today as the microwave background radiation) 5s) photons and other particles form the bodies of the early universe (atoms, molecules, stars, planets, galaxies) 6s) it rained on the early earth until it was cool enough for oceans to form 7s) the first life form was blue green bacteria.

4) then photons erupted from this energy 4) let there be LIGHT (1 - 4 all the first day) cloud (detectable today as the microwave background radiation) 5) photons and other particles form the 5) God next creates the heavens (what we call the sky) above bodies of the early universe (atoms, (2nd day) molecules, stars, planets, galaxies) 6) it rained on the early earth until it was 6) dry land appears as the oceans form (3rd day) cool enough for oceans to form 7) the first life form was blue green bacteria.

Yesterday was a perfect Saturday - I went for an early morning swim in the near - by ocean pool, had a light breakfast after that and then headed off to hatha yoga for 2 hours.

Try watching her for earlier indications and whe you see a sign then put her in a dark room with some «white noise» (like the sound of ocean waves — Homedics makes an inexpensive, portable unit that emits a lovely, relaxing sound.)

There are just tremendous opportunities for science, to discover what the early solar system was like, whereas on Earth, the wind and the oceans have pretty much washed away most of the evidence.

In 2016, she received a Presidential Early Career Award for Scientists and Engineers (PECASE) in part for bringing ocean and climate change science into K - 12 classrooms.

The pioneering loggerhead sea turtle had been plucked from the ocean a few weeks earlier by a Coast Guard vessel and brought to the Aquarium of the Pacific for medical attention, but veterinarians soon decided that the turtle was healthy and could be released.

Seattle - based oceanographer Curtis Ebbesmeyer, who has been tracking huge gyres of trash in the ocean for two decades and runs the Beachcombers» Alert website, thinks the majority of tsunami debris will reach U.S. shores as early as October 2012.

«It's probably too early to conclude exactly which geochemical changes in the Ediacaran oceans were responsible for the shift to large body sizes, but there are strong contenders, especially increased oxygen, which animals need for respiration.»

While oxygen is believed to have first accumulated in Earth's atmosphere around 2.45 billion years ago, new research shows that oceans contained plentiful oxygen long before that time, providing energy - rich habitat for early life.

«Our work pinpoints the time when the ocean began accumulating oxygen at levels that would substantially change the ocean's chemistry and it's about 250 million years earlier than what we knew for the atmosphere.

«We began to see that it was easy for Ceres in the early, early history to have created a liquid ocean,» McCord says.

Research reported earlier this year hinted that events in the stratosphere might directly affect the oceans, but those findings were based on a single climate model and a computer simulation that modeled the stratosphere for a relatively short 260 years.

Early scholars presumed that the Indian Ocean network had developed to supply the Roman Empire's demand for exotic goods.

Then, in 2015, the National Science Board endorsed proceeding from the design to the construction of the vessels — but advised NSF to include construction of two, rather than three, vessels in its future funding requests, following a recommendation for belt - tightening as laid out in the National Research Council's decadal survey for ocean sciences, released in early 2015.

The long - term geological record reveals an early Cenozoic warm climate that supported smaller polar ecosystems, few coral - algal reefs, expanded shallow - water platforms, longer food chains with less energy for top predators, and a less oxygenated ocean than today.

In the early 1990s the TOPEX (Topography Experiment for Ocean Circulation) / Poseidon satellite, a joint American - French mission, shot into orbit armed with radar altimeters to measure the height of the sea surface.

«The work is really at an early stage,» says Ulf Riebesell, a professor of biological oceanography at the Helmholtz Center for Ocean Research in Kiel, Germany.

Lead author, Dr Huw Griffiths from BAS says: «While a few species might thrive at least during the early decades of warming, the future for a whole range of invertebrates from starfish to corals is bleak, and there's nowhere to swim to, nowhere to hide when you're sitting on the bottom of the world's coldest and most southerly ocean and it's getting warmer by the decade.»

The surface may have cooled quickly — with oceans, nascent continents and the opportunity for life to form much earlier

Titan's surface seems to be covered with ethane oceans and an organic goo that may resemble the Earth's early surface chemistry, but nobody knows for sure, because astronomers can't see through the moon's maddeningly opaque orange fog.

Earlier this year, in research unrelated to the spill, she and others ran the ocean model for 120 simulated years.

Small Dolly Varden will migrate out to the ocean in early summer to eat even more, trying to get big enough to stay in the river next season — and for the remainder of their lives.

Fiber goes out in the ocean, and it's all over the land, so this technology increases the likelihood that a sensor is near the rupture when an earthquake happens, which translates into finding small events, improved earthquake locations, and extra time for early warning.»

Organisms, including the single - celled bacteria living in the ocean at that early date, need a steady supply of phosphorus, but «it's very hard to account for this phosphorus unless it is eroding from the continents,» says Aaron Satkoski, a scientist in the geoscience department at the University of Wisconsin - Madison.

«This kind of precautionary approach achieves a balance of economic interests and conservation benefits,» said Sarah Reiter, a co-author and former early career law and policy fellow at the Center for Ocean Solutions who now works as an ocean policy analyst at the Monterey Bay AquaOcean Solutions who now works as an ocean policy analyst at the Monterey Bay Aquaocean policy analyst at the Monterey Bay Aquarium.

Solar power plants in the surrounding sand, already in early construction, will provide electricity for lighting and air - conditioning and for desalinating ocean water.

Scientists are interested in understanding early life on Earth because if we ever hope to find life on other worlds - especially icy worlds with subsurface oceans such as Jupiter's moon Europa and Saturn's Enceladus - we need to know what chemical signatures to look for.

«Biological oceanographers have speculated that early life stages of marine organisms might be particularly sensitive to ocean acidification, but the underlying mechanisms remain unknown for most species,» says David Garrison, program director in NSF's Division of Ocean Sciences, which funded the research through an ocean acidification competiocean acidification, but the underlying mechanisms remain unknown for most species,» says David Garrison, program director in NSF's Division of Ocean Sciences, which funded the research through an ocean acidification competiOcean Sciences, which funded the research through an ocean acidification competiocean acidification competition.

Scientists are interested in understanding early life on Earth because if we ever hope to find life on other worlds — especially icy worlds with subsurface oceans such as Jupiter's moon Europa and Saturn's Enceladus — we need to know what chemical signatures to look for.

The moon is one of a number of «ocean worlds» in our solar system that hold the ingredients for life, and is known to be covered with rich organic material that is undergoing chemical processes that might be similar to those on early Earth, before life developed.

The researchers reported in a recent issue of Nature Communications that the effects of the Earth's tilt on the amounts of water in the oceans and in groundwater account for the changes in sea levels during this period, the Early Triassic.

The finding supports the notion that asteroids could have provided early Earth with water for its oceans as well as some of the prebiotic compounds that allowed life to develop.

SEA CHANGE A rethink of earlier studies suggests trouble ahead for a major player in ocean nutrient cycles, the nitrogen - fixing Trichodesmium microbes, which can grow in abundance as seen is this image (pale streaks).

Venus may have had a shallow liquid - water ocean and habitable surface temperatures for up to 2 billion years of its early history, according to computer modeling of the planet's ancient climate by scientists at NASA's Goddard Institute for Space Studies (GISS) in New York.

The study, according to Valley, strengthens the theory of a «cool early Earth,» where temperatures were low enough for liquid water, oceans and a hydrosphere not long after the planet's crust congealed from a sea of molten rock.

However, these well - oxygenated environments may have been in short supply, limiting habitat space in the ocean for the earliest animals.»

In some regions on the fringes of the Artic Ocean, surface melting began fairly early, while in large regions of the central Arctic Ocean, melt onset was observed a few days later than the average for 1981 to 2010.

Like polarized light (which vibrates in one direction and is produced by the scattering of visible light off the surface of the ocean, for example), the polarized «B - mode» microwaves the scientists discovered were produced when CMB radiation from the early universe scattered off electrons 380,000 years after the Big Bang, when the cosmos cooled enough to allow protons and electrons to combine into atoms.

From now on, this new geography will have to be taken into account when studying early Mars to look for traces of life or for an ocean, for instance.

New data indicate that substantial areas throughout westernmost Canada were ice free prior to 12.5 ka and some as early as 14.0 ka, with implications for climate dynamics and the timing of meltwater discharge to the Pacific and Arctic oceans.

«Our paper provides very solid evidence for the existence of very cold oceans on early Mars.»

``... In particular, there was a period in the late - 1980s and early - 1990s when retreat slowed down along most of the coast, and we don't see any cause for this in the temperature records — so there may be some other factors at work, perhaps ocean temperature.»

Figure 3 - Ocean temperature trends for the a) control (aka natural variability), b) early 20th century, and c) late 20th century, simulations.

Thus, 2.5 billion years ago the oceans on Earth were warm and able to precipitate silica as a preserving medium for early life forms in a way not found on Earth today, except in hot springs.