Sentences with phrase «early days of the solar system»

They are thought to date from the very early days of the solar system.
Some asteroids are known to be rich in water, and some of these would inevitably have crashed into Earth during the chaotic early days of the solar system.
Most researchers think that the Moon formed in the very early days of the Solar System, 4.5 billion years ago, when a large protoplanet smashed into the embryonic Earth.
Astrophysicists think that happened during the earliest days of our solar system, when the sun and planets were nothing more than a swirling cloud of hydrogen and dust particles.
Most scientists think that the moon formed in the earliest days of the solar system, around 4.5 billion years ago, when a Mars - sized protoplanet called Theia whacked into the young Earth.
For one thing, its surface was too young — nothing like the antique landscapes of our moon or Mars, whose craters date back billions of years to the early days of the solar system.
Vesta and Ceres are the big enchiladas of the asteroid belt, a loose collection of rubble left over from the earliest days of the solar system.
The Cassini probe is revealing the fine details of Saturn's rings — details that open a window on the earliest days of the solar system
Far out in space, between Mars and Jupiter, a group of roiling rocks has been circling the sun since the very early days of the solar system, a new study reveals.
However it happened, two new lines of evidence from Cassini make it clear that the rings were not around in the early days of the solar system 4.5 billion years ago, as scientists had long believed, says Jeff Cuzzi, a ring specialist at NASA's Ames Research Center in Mountain View, California.
He was the first scientist to suggest seriously that microorganisms could have traveled from one planet to another on meteors in the early days of the solar system.
Close observations of Vesta will help astronomers understand the early days of the solar system, as well as the processes that formed and shaped rocky planets like Earth.
Such a sequence of events, on a much larger scale, may explain the birth of our own Moon in the early days of the Solar System, as well as the origin of many other satellites around planets and asteroids.
A close - up examination of surface geologic features may yield clues about the early days of the solar system.
The centerpiece of Cosmic Collisions is an eye - popping re-creation of the Mars - size body that crashed into Earth during the early days of the solar system, giving birth to the moon.
In the early days of our solar system the tempestuous young sun boiled oxygen and other volatile materials out of the inner system, leaving planets that formed there relatively oxygen - poor.
«In the early days of the solar system, there may have been many hundreds of protoplanets drifting around in the system's outer regions,» he says.
It could be many weeks before scientists understand what the lander data tell them about the formation and composition of 67P, which, like all comets, is a relatively pristine object that dates to the early days of the solar system.
More than just leftovers, asteroids offer clues to the earliest days of our solar system, as well as the promise of valuable minerals and precious resources.
Objects that formed in that inner zone during the early days of the solar system could still survive there billions of years later.
Comets are thought to have survived unchanged since the early days of the solar system, so the discovery of methyl isocyanate suggested it had been present on the comet since then and didn't form on a planet.
The finding provides more information on the early days of our solar system about 4.4 billion years ago, when the zone near the sun had several planetary embryos.
From these measurements, the researchers calculated the D - to - H ratio — a chemical fingerprint that provides clues about exactly where comets (or asteroids) formed within the cloud of material that surrounded the young sun in the early days of the solar system.
They date from 4.5 billion years ago, around the earliest days of our solar system.
A study has suggested at least one super-Earth sized planet may have formed in the early days of the solar system before being devoured by the sun.
Dawn's mission director and chief engineer describes his «dream come true» job — and how the new data coming back from Ceres could unlock some of the secrets of the earliest days of our solar system.
Still other moons were probably formed from material left over when the planets were formed in the early days of the solar system.
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