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.