Sentences with phrase «in lunar rocks»

Kovaltsov, G. A. & Usoskin, I. G. Occurrence probability of large solar energetic particle events: assessment from data on cosmogenic radionuclides in lunar rocks.

Robert Treash, «Magnetic Remanence in Lunar Rocks,» Pensee, Vol.

Scientists at Southwest Research Institute combined dynamical, thermal, and chemical models of the Moon's formation to explain the relative lack of volatile elements in lunar rocks.

Southwest Research Institute scientists combined dynamical, thermal, and chemical models of the Moon's formation to explain the relative lack of volatile elements in lunar rocks, when compared to those of Earth.

As part of that effort, a team including UChicago cosmochemist Nicolas Dauphas performed the largest study to date of oxygen isotopes in lunar rocks, and found a small but measurable difference in the makeup of the moon and Earth.

ONE - TWO PUNCH A two - stage moon formation, following a collision between Earth and a smaller planet (illustrated), might explain the absence of certain elements in lunar rocks.

«About 20 percent of the helium is coming from the moon itself, most likely as the result from the decay of radioactive thorium and uranium, also found in lunar rocks,» said Benna.

As of now, the reason for the deposits is unknown, but the presence of oxygen in the lunar rock would make those sites attractive for future moon missions, even for human colonies, which could use the oxygen for breathing and as a rocket - fuel component.

Researchers used a multicollector ion microprobe to study hydrogen - deuterium ratios in lunar rock and on Earth.

Brown University's Alberto Saal and colleagues measured the ratio of hydrogen to deuterium (hydrogen with an extra neutron) in lunar rock samples from the Apollo missions.

Not exact matches

Bouncing along the lunar surface in a four - wheeled rover, he and Charlie Duke collected 200 pounds of rock specimens.

Moganite within a moon rock found in northwest Africa suggests a treasure trove of ice in the lunar subsurface — Read more on ScientificAmerican.com

Oh, If only arrows could reach the moon then they could shoot it down and rub lunar dust on their bodies and hit one another in the head with moon rocks.

The analysis by Day and colleagues found similarities between the trinitite and lunar rocks in that they are both highly depleted in volatile elements and contain little to no water.

Two recent models for the formation of the Moon, one that allows exchange through a silicate atmosphere (top), and another that creates a more thoroughly mixed sphere of a supercritical fluid (bottom), lead to different predictions for potassium isotope ratios in lunar and terrestrial rocks (right).

You are looking at moon rocks reflecting the light of the Earth, which shines nearly 50 times as brilliantly in the lunar sky as the moon does in ours.

In 2001, however, a team of scientists reported that the isotopic compositions of a variety of elements in terrestrial and lunar rocks are nearly identicaIn 2001, however, a team of scientists reported that the isotopic compositions of a variety of elements in terrestrial and lunar rocks are nearly identicain terrestrial and lunar rocks are nearly identical.

They found that the lunar rocks were enriched by about 0.4 parts per thousand in the heavier isotope of potassium, potassium - 41.

Their finding that the lunar rocks are enriched in the heavier potassium isotope does not favor the silicate atmosphere model, which predicts lunar rocks will contain less of the heavier isotope than terrestrial rocks, the opposite of what the scientists found.

For the new study, the researchers used an extremely precise laser - based method to measure oxygen isotopes in a range of Earth rocks, meteorites and three lunar samples gathered by the Apollo astronauts.

Situated in one of the most secure buildings on the planet, the lab was an implausible target for even the world's greatest crime syndicates — despite the fact that the Apollo lunar samples were stored there and the street price of moon rocks was estimated at about $ 5 million per gram.

That material became lunar rock, resulting in a thicker crust on that hemisphere.

Tikoo and colleagues analyzed fragments of a lunar rock collected along the southern rim of the moon's Dune Crater during the Apollo 15 mission in 1971.

He is the project scientist on a proposed robotic mission called Resource Prospector, which could launch in 2018 to try to extract water from lunar rocks.

Easily vaporized elements, known as volatiles, are largely missing from moon rocks but might be sequestered deep in the lunar interior.

Their analysis showed a 3 - to 4 - ppm (parts per million) difference between the oxygen isotopic concentrations of the lunar rocks and the terrestrial basalts, but no significant difference between the lunar samples and terrestrial olivine, a common mineral in Earth's subsurface.

Alberto Saal of Brown University in Providence, Rhode Island, and colleagues re-examined lunar volcanic rocks collected in the 1970s during the Apollo 15 and 17 missions.

«Water in moon rocks provides clues and questions about lunar history.»

Water has now been detected in apatite in many different lunar rock types.

Heat from the impact that made Occator probably allowed a mixture of ice, salts, and rock in Ceres's interior to become more fluid and rise up to the surface, scientists reported today at the Lunar and Planetary Science Conference in The Woodlands, Texas.

Lunar rocks closely resemble Earth rocks in many respects, but Moon rocks are more depleted in volatile elements like potassium, sodium, and zinc, which tend to have lower boiling points and vaporize readily.

A new study tracing the history of one of those moon rocks, published in this week's Science, adds fuel to a long - running debate over the source of the faint magnetism present on the lunar surface.

These lithologies are consistent with evolved rocks similar to lunar granites in the Apollo samples.

Those results set the age boundary for the oldest terrains on Mercury to be contemporary with the so - called Late Heavy Bombardment (LHB), a period of intense asteroid and comet impacts recorded in lunar and asteroidal rocks and by the numerous craters on the Moon, Earth, and Mars, as well as Mercury.

So build that craft, net that rock, put it in lunar orbit, and hand it over to PRI and DSI as a playground to.test their business models.

Outside of that is a ring in which pyroxene mixes with the standard crustal rocks of the lunar highlands.

The study was carried out to answer a long - standing puzzle — why are Earth and lunar rocks more similar than expected in terms of chemical composition?

Study of lunar rocks has shown that the moon and Earth are «almost identical» in their composition.

This is the second installment of game - changing eclipses to fall in the same month; the Aquarius lunar (full moon) eclipse rocked the skies on August 7.

In addition to this experience, Teri is a NASA - Urban Community Enrichment Program (URCEP) teacher, trained to conduct interdisciplinary aerospace activities in schools, along with having certification to request and utilize Lunar Rocks in these activitieIn addition to this experience, Teri is a NASA - Urban Community Enrichment Program (URCEP) teacher, trained to conduct interdisciplinary aerospace activities in schools, along with having certification to request and utilize Lunar Rocks in these activitiein schools, along with having certification to request and utilize Lunar Rocks in these activitiein these activities.

Customers can also choose the optional Fine Nappa leather in black or lunar silver with contrasting stitching in rock gray or the design package with diamond stitching.

Jetpac Atic Atac Lunar Jetman Sabre Wulf Underwurlde Knight Lore Gunfright Slalom R.C. Pro-Am Battletoads (NES) Cobra Triangle Snake Rattle N Roll Digger T. Rock Solar Jetman R.C. Pro-Am II Battletoads Arcade Killer Instinct Gold Blast Corps Banjo - Kazooie Jet Force Gemini Perfect Dark Banjo - Tooie Conker's Bad Fur Day Grabbed by the Ghoulies Perfect Dark Zero Kameo: Elements of Power Viva Piñata Jetpac Refuelled Banjo - Kazooie: Nuts & Bolts Viva Piñata: Trouble in Paradise

The Rare Replay Collection, announced at E3 2015, includes Battletoads, Battletoads Arcade, Banjo - Kazooie, Banjo - Tooie, Conker's Bad Fur Day, Blast Corps, Atic Atac, Jetpac, Jetpac: Refueled, Cobra Triangle, Knight Lore, Gunfight, Sabre Wulf, Perfect Dark: Zero Jet Force Gemini, Killer Instinct Gold, Viva Pinata, Viva Pinata: Trouble in Paradise, R.C. Pro-Am II, Underwurlde, Solar Jetman: Hunt for the Golden Warship, Lunar Jetman, Snake Rattle»n' Roll, Slalom, Digger T. Rock and Kameo: Elements of Power.