Sentences with phrase «planets formed over»

Under the most accepted scenario, planets form over tens of millions of years from the slow accretion of dust, rocks, and gas.

Not exact matches

Countless smash - ups over the millennia spread around enough of these exotic metals that when our planet formed, they were baked right into its crust.
«All of the information of how a planet formed is still there, whereas with much older planets it could be harder to [work out] how it formed, or how it got there because it could have changed over billions of years.»
Everything single galaxy, star (sun) and planet, in the universe have been formed by gravity over billions of years, NO god needed.
«What we have described as globalization is remarkably close to Teilhard de Chardin's planetization, in which «[mankind, born on this planet and spread over its entire surface, come [s] gradually to form round its earthly matrix, a single, major, organic unity, enclosed upon itself.4 Thus the globalization of humankind could lead to the formation of a new kind of living entity — a social organism — on the same cosmic principle as that by which atoms join to form molecules, molecules join to form mega-molecules, mega-molecules unite to form living cells, and innumerable cells constitute an organism.
First the vitalization of matter, associated with the grouping of molecules; then the hominization of Life, associated with a super-grouping of cells; and finally the planetization of Mankind, associated with a closed grouping of people: Mankind, born on this planet and spread over its entire surface, coming gradually to form around its earthly matrix a single, major organic unity, enclosed upon itself; a single, hyper - complex, hyper - centrated, hyperconscious arch-molecule, co-extensive with the heavenly body on which it was born.
This technique can determine whether a spot on the planet's surface is rising or falling over time, such as near a volcano on the verge of erupting or a sinkhole about to form.
«That's been called into question over the past decade, and many new ideas have been offered, but the bottom line is that we need to identify a number of newly formed planets around young stars if we hope to fully understand planet formation.»
He doesn't want to be dogmatic, because the Bible doesn't explicitly say there aren't extraterrestrials... but it does say we supposedly have dominion over all the plants and animals... Genesis 1:26 would have to be dealt with, of course, if there were aliens... though perhaps not if the life - form were merely a form of moss or lichen... and there's no scriptural barrier to God's having designed a planet populated entirely by spatulas...
The researchers calculate that a newborn star's magnetic field interacts with its planet - forming disc, which is electrically conducting, causing the star to tilt and in some cases flip over (arxiv.org/abs/1008.3148).
Project Blue's proposed telescope would have a light - gathering mirror just half a meter wide — so small that it could only look for Earth - like planets around two stars: the Sun - like Alpha Centauri A and Alpha Centauri B, which along with the red dwarf Proxima Centauri form the nearest star system to our own at just over four light - years away.
Charting the planet's apparent velocity in the sky over 60 days, its slowdown forms a downward - slanting line.
Rain reigns over us: It's the main way liquid water, necessary for all earthly life - forms, disperses across the planet.
Astronomers believe this region, called the Oort cloud, contains a vast collection of icy debris left over from material that came together to form the sun, Earth, and the other major planets 4.6 billion years ago.
New stars incorporate this debris, and over several generations, enough metals build up to form the rocky grains thought to assemble the cores of all planets.
Fragments of these planetesimals remain today as meteorites called achondrites, which scientists have pored over for clues to how planets formed.
There's a lot of debate over how the planet, even in its present position, could have had a thick enough atmosphere to keep water in liquid form on the surface.
Planets are thought to form from discs of gas and dust left over from the formation of the parent star.
The findings indicate that the ocean was teeming with primitive organisms 3.2 billion years ago, just over a billion years after the planet formed.
The big bang theory can not explain how such distant and massive galaxy concentrations could have formed so quickly that their light had over 13.0 - billion years to travel to planet Earth.5, 52, 53
Sage also knew that dust swirling that near the star would absorb so much heat over those millions of years that the dust would vaporize into the vacuum of space, so no planet would form, especially a Jupiter - size planet.15
And, thanks to its proximity to the host star, the planet is not suitable to support any known life form with daytime temperatures of over 3,100 degrees Fahrenheit, which is hot enough to melt metal.
The modelling suggested that a Neptune - like planet actually formed much closer to Vega and was pushed by a Jupiter - like planet in an inner orbit out to its current wide orbit around 80 AUs away from Vega over about 56 million years, sweeping many comets out with it and causing the dust disk to become clumpy (Mark C. Wyatt, 2003).
For example, in Earth atmospheric circulation (such as Hadley cells) transport heat between the warmer equatorial regions to the cool polar regions and this circulation pattern not only determines the temperature distribution, but also sets which regions on Earth are dry or rainy and how clouds form over the planet.
These circumstellar disks are common around newborn stars, and provide the raw materials for planets, which are formed as a result of accretion of dust and debris left over from the star's birth.
Images from the latter can show how ozone amounts differ from season - to - season and how clouds are formed over volcanoes on the planet.
Still other moons were probably formed from material left over when the planets were formed in the early days of the solar system.
This band of asteroids may have begun as a planet that was broken apart in a collision with another planet early in our solar system's history, or it could be material left over from when the solar system formed.
Thereafter there still may be many protoplanets orbiting the star or each other, but over time many will collide, either to form a single larger planet or release material for other larger protoplanets or planets to absorb.
They have also detected over 150 protoplanetary disks, or proplyds, which are believed to be embryonic solar systems that will eventually form planets.
▽ More The timescale over which planets may form in the circumstellar disks of young stars is one of the main issues of current planetary formation models.
Those remnants are the rubble left over from the explosions of dying stars, which in turn become incorporated into newly forming planets.
In order for Mercury's core to have stayed molten over some 4.5 billions of years since the planet first formed from agglomerating planetisimals, however, its mostly iron core must also contain a lighter element, such as sulfur, to lower the melting temperature of the core material.
When stars form from a giant cloud of gas and dust, the angular momentum of the cloud carries over to all the objects that form from the cloud, including new planets.
«Many of these systems may have formed similarly to Kepler - 223, but then later became destabilized, perhaps by a more distant massive planet or perhaps by the cumulative effect of the scattering of many smaller planetesimals left over from the planet - building process.»
Abstract: The timescale over which planets may form in the circumstellar disks of young stars is one of the main issues of current planetary formation models.
Astronomers believe that planets form like snowballs over millions of years, as small dust grains clump together to form larger bodies.
The «cold start» process, on the other hand, is pretty good at forming planets over a broad range of masses, from giants such as Jupiter, which has more than 300 times Earth's mass, on down to Earth - sized worlds.
We know from hot Jupiters that Jupiter - like planets can change their orbital distance over time, so there is no guarantee that the orbital distances we are observing now are the same as when the planet formed.
The large scarps were formed as Mercury's interior cooled, causing the planet to contract and the crust to break and thrust upward along faults making cliffs up to hundreds of miles long and some more than a mile (over one - and - a-half kilometers) high.
Over 130,000 school children and office workers signed up to take part, forming teams of four or six coming up with environmental ideas that would both save the planet and save money.
Well I formed a religious organization over 20 years ago that morphed into a new «nation» on this lovely planet and our organizations now have religious courts as well as civil courts.
ARC Squadron: Redux for Android — An evil race known as the Guardians is taking over the universe, ravaging planets, and killing all peaceful life forms.
In the video, you'll see Zachariah fighting and exploring throughout the markets and shanties of Noctis, one of the major cities in The Technomancer, where over a hundred years of separation from Earth, new cultures, clans, and super-powers formed throughout Mars, causing clashes and in - fighting across the red planet.
She pondered the impressive achievement and adaptive competence of living creatures who preceded humans, begetting more diverse and complex forms over 3.5 billion years on a fiercely wild and often inhospitable planet.
One of Project Arts Centre's most ambitious exhibitions to date, it will «puzzle over signs, forms and communication, motivated by one of the major problems facing our planet — the markings and warnings around nuclear burial sites.»
To express uncertainty over humans» influence on the climate, Foran points out, is to be out of line with 97 percent of scientists — those forming the overwhelming consensus — who agree that the planet is warming and that humans are the primary cause.
Part of this heat is generated by the natural decay of radioactive element in the rocks, and part of the heat is left over from the formation of the Earth five billion years ago — when gravity pulled together bits of gas and dust to form our planet.
The high atmosphere over the Arctic lost an unprecedented amount of its protective ozone earlier this year, so much that conditions echoed the infamous ozone hole that forms annually over the opposite side of the planet, the Antarctic, scientists say.
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