Sentences with phrase «other asteroids in»

Vesta researchers have long focused on certain meteorites: rocks that fell to Earth after being blasted off Vesta when other asteroids in the asteroid belt between Mars and Jupiter hit the 525 - kilometer - diameter Vesta.

Not exact matches

Some researchers also think it may be possible to compare the carbon, nitrogen, oxygen, and other chemicals in a plume to «default» levels seen in asteroids, which were formed at the dawn of the solar system — and ask if life is manipulating the chemistry there, or at least did so in the past.

Gemini, the ESO's Very Large Telescope in Chile, the Canada France Hawaii Telescope, the United Kingdom Infrared Telescope, and other observatories trained their eyes on the asteroid.

No other comet or asteroid in the solar system varies so widely in brightness.

Lurking between Mars and Jupiter is the largest asteroid in the solar system: a dwarf planet called Ceres, which has ice volcanoes, salt deposits, and other features that suggest it's hiding an ocean of salt water.

And on and on — according to many experts, the extinction spasm caused by climate change and other environmental degradation in this century will equal or surpass those caused by crashing asteroids in geological times.

[1] Most of the collapsing mass collected in the centre, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.»

Standing beside each other, these bottles would stretch for over six miles — each full to the brim with sand, each grain a solar system (probably) on average as big and complex as ours, resplendent with planets, moons, asteroids and, in some cases, perhaps life.

And then I try envisioning what it will be like when another, smaller asteroid enters their orbits and takes part in that spinning dance around each other.

The meteorite, dubbed Northwest Africa (NWA) 7034, contains a concentration of water by weight about ten times higher than in any of the other 100 or so known Martian meteorites — those rare rocks that get ejected from the Martian surface into space when an asteroid hits the planet, and eventually find their way to Earth.

The first concept would fully capture a very small asteroid in free space and the other would retrieve a boulder off of a much larger asteroid.

«I don't think this particular asteroid is more hazardous than others in the MPC list,» he says.

NASA's other major asteroid - deflection initiative is the opposite in almost every way: the splashy, controversial, exploration - oriented proposal currently known as the Asteroid Redirect asteroid - deflection initiative is the opposite in almost every way: the splashy, controversial, exploration - oriented proposal currently known as the Asteroid Redirect Asteroid Redirect Mission.

On the other hand, if an asteroid hit ever does appear to be in the cards, we will probably need many years to deflect it off course.

But solar systems that have two suns, especially those in which the stars orbit each other tightly, are much more likely to cast out asteroids, the researchers report today in the Monthly Notices of the Royal Astronomical Society.

On the other hand, if the push is too strong, the asteroid could break apart — a worry that has often been raised in connection with using nuclear blasts in particular.

In the early 1970s researchers discovered that Vesta's composition is unlike that of any other asteroid: it is made of basalt.

The work also suggests — based on the sizes of other impact basins in the Moon, Mars and Mercury — that the early solar system was likely well stocked with protoplanet - sized asteroids.

Now, a global campaign to map Earth's ancient mega-eruptions, paired with advances in rock dating, is pushing us closer than ever to explaining why some volcanoes and asteroids kill and others don't.

He and the few others in this small field have excavated evidence of 15 enormous asteroid strikes that occurred between 1.7 billion and 3.5 billion years ago.

Trigo states: «While it is true that many of these dangerous projectiles come from the main belt of asteroids after being gravitationally scattered towards the Earth by the so - called planetary resonances, in 2007 we proposed other physical mechanisms that enable these rocks to be detached from asteroids or comets as they undergo close approaches to our planet.»

Combining these new estimates with the fact that there are even larger impact basins on the Moon and other planets, Schultz concludes that protoplanet - sized asteroids may have been common in the early solar system.

But recently, scientists have spotted asteroids behaving and dying in unexpected ways: Some have tails, some break apart into chunks and others disintegrate into smears of dust, with no obvious second asteroid in sight.

Much rarer — and more expensive — are meteorites from the moon, Mars, and other special bodies in the solar system, such as the asteroid Vesta.

With the help of the NASA / ESA Hubble Space Telescope, a German - led group of astronomers have observed the intriguing characteristics of an unusual type of object in the asteroid belt between Mars and Jupiter: two asteroids orbiting each other and exhibiting comet - like features, including a bright coma and a long tail.

The images of 288P, which is located in the asteroid belt between Mars and Jupiter, revealed that it was actually not a single object, but two asteroids of almost the same mass and size, orbiting each other at a distance of about 100 kilometres.

Migration early in our solar system's history could account for other oddities, including the small size of Mars and the sparse, disrupted asteroid belt.

The other asteroids Wiggins discovered (the first one with his then wife) are Elko and Timerskine in 1999, Laurelanmaurer in 2007 and Nevaruth in 2008.

Like the three other big outer - solar - system objects discovered in the past three years — including 560 - mile - wide Varuna, found in 2000 — Quaoar resides in the Kuiper belt, a wide swath of asteroids located past Neptune.

Among other things, GRACE may have found a crater deep under the Antarctic ice that may mark an asteroid impact greater than the one that doomed the dinosaurs, measured the seafloor displacement that triggered the tsunami of 2004, and quantified changes in subsurface water in the Amazon and Congo river basins.

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.

On the other hand, if an asteroid did explode in the Siberian skies that June morning, why has no one yet found fragments?

There is one other LL chondrite whose orbit is known: the asteroid Itokawa, which the Japanese Hayabusa spacecraft visited in 2005.

There are many white dwarfs that hold large amounts of hydrogen in their atmospheres, and this new study suggests that this is evidence that water - rich asteroids or comets are common around other stars than the Sun.»

Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth, new research strongly suggests.

These bodies probably broke up when they collided at high speed with other large asteroids in the crowded asteroid belt, says astronomer Jake VanderPlas of the University of Washington.

«There are other elements involved, but if size were the only factor, we'd be looking for an asteroid smaller than about 40 feet (12 meters) across,» said Paul Chodas, a senior scientist in the Near - Earth Object Program Office at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «There are hundreds of millions of objects out there in this size range, but they are small and don't reflect a lot of sunlight, so they can be hard to spot.

The challenge, which was announced at an asteroid initiative industry and partner day at NASA Headquarters in Washington, is a large - scale effort that will use multi-disciplinary collaborations and a variety of partnerships with other government agencies, international partners, industry, academia, and citizen scientists.

On the one hand there was a quest by scientists to find the world's funniest joke, and on the other, dire warnings about the dangers of mobile phones, an increase in the incidence of new variant CJD, climate change, and cosmic threats to Earth in the shape of asteroids and gamma ray bursts.

But isotopes of some noble gases in the stone are nothing like those found in other meteorites, which all came from asteroids that formed inside the orbit of Jupiter.

Between now and then, humans will face plenty of other calamities: wars and pestilences, ice ages, asteroid impacts, and the eventual consumption of Earth — in about 5 billion years — as our sun expands into a red giant star.

«This is the first time water vapor has been unequivocally detected on Ceres or any other object in the asteroid belt and provides proof that Ceres has an icy surface and an atmosphere,» said Michael Küppers of ESA in Spain, lead author of a paper in the journal Nature.

He was among the first researchers to draw attention to the danger of asteroids and comets striking Earth, and he has spent the past two decades evaluating that risk and comparing it with other dangers in daily life.

«It may give us clues to the formation of Earth's moon and the moons of the other planets, and the role played by asteroid impacts in shaping the terrestrial [rocky] planets,» says Alexander Zakharov of the Moscow - based Space Research Institute and chief scientist for Fobos - Grunt.

New Horizons also could potentially take a close - up look at a smaller, more ancient object much farther out in the Kuiper Belt: the disk - shaped region beyond the orbit of Neptune believed to contain comets, asteroids and other small, icy bodies.

There, astronauts will be able to select, extract, collect and return samples from the multi-ton asteroid mass, and conduct other human - robotic and spacecraft operations in the proving ground that will validate concepts for NASA's journey to Mars.

In 1980, however, Nobel laureate Luis Alvarez and others called attention to a thin layer of iridium — possible material from an asteroid — found all over the world in rocks from the time of the dinosaur extinctionIn 1980, however, Nobel laureate Luis Alvarez and others called attention to a thin layer of iridium — possible material from an asteroid — found all over the world in rocks from the time of the dinosaur extinctionin rocks from the time of the dinosaur extinctions.

The ring system around the icy asteroid Chariklo is the first found encircling anything in our solar system other than a gas giant.

«Each and every fresh asteroid, when we traced it backward for 500,000 years, had passed very close to Earth» — within 100,000 kilometers, versus millions of kilometers for the other NEAs — says planetary scientist and co-author Richard Binzel of the Massachusetts Institute of Technology in Cambridge.

However, Earth constantly receives other extraterrestrial material — mostly in the form of dust from comets and asteroids.