Sentences with phrase «planetary surfaces in»

The moon appears to be a tranquil place, but modeling done by University of New Hampshire and NASA scientists suggests that, over the eons, periodic storms of solar energetic particles may have significantly altered the properties of the soil in the moon's coldest craters through the process of sparking — a finding that could change our understanding of the evolution of planetary surfaces in the solar system.

«If breakdown weathering occurs on the moon, then it has important implications for our understanding of the evolution of planetary surfaces in the solar system, especially in extremely cold regions that are exposed to harsh radiation from space,» says coauthor Timothy Stubbs of the NASA Goddard Space Flight Center.

The orbital distance from Zavijava where a planet currently would be «comfortable» for Earth - type carbon - based lifeforms with liquid water on the planetary surface in the so - called habitable zone is centered near 1.87 AU — between the orbital distances of Mars and the Main Asteroid Belt in the Solar System.

On Jan. 14, 2005, the Huygens entry probe became the first spacecraft to land on a planetary surface in the outer solar system, carrying out various physical and chemical measurements of Titan's atmosphere and transmitting high - resolution images as it descended by parachute.

This has been escalating in observed effect over the past 400 years, particularly within the last 100 as this effect is CUMULATIVE and is linked to Human Population and the rematerialing that Population has, and will continue to, produce upon the Planetary Surface in its so far RAPID climb from 500 Million to over 6 Billion in those 400 years.

Not exact matches

«In a future mission, we could fly through those plumes and tell a lot about the chemistry and nature of the surface» and possibly a liquid ocean below, Bob Pappalardo, a planetary scientist at NASA's Jet Propulsion Laboratory who wasn't involved in the work, told Business Insider — all without having to drill through the moon's miles - thick ice shelIn a future mission, we could fly through those plumes and tell a lot about the chemistry and nature of the surface» and possibly a liquid ocean below, Bob Pappalardo, a planetary scientist at NASA's Jet Propulsion Laboratory who wasn't involved in the work, told Business Insider — all without having to drill through the moon's miles - thick ice shelin the work, told Business Insider — all without having to drill through the moon's miles - thick ice shell.

To me this appears the most satisfactory interpretation of the present state of Life on the surface of the earth; despite a regrettable recrudescence of racialism and nationalism which, impressive though it may be, and disastrous in its effect upon our private post-war lives, seems to have no scientific importance in the overall process: for the reason that any human tendency to fragmentation, regardless of its extent and origin, is clearly of an order of magnitude inferior to the planetary forces (geographic, demographic, economic and psychic) whose constantly and naturally growing pressure must sooner or later compel us willy - nilly to unite in some form of human whole organized on the basis of human solidarity.

MAVEN arrived at Mars in Sept. 2014 on a mission to investigate a planetary mystery: Billions of years ago, Mars was blanketed by layer of air massive enough to warm the planet and allow liquid water to flow on its surface.

Cannon and co-author Jack Mustard, professor of Earth, environmental and planetary sciences at Brown, showed that large glass deposits are present in several ancient yet well - preserved craters scattered across the Martian surface.

Johns Hopkins Applied Physics Laboratory in Laurel, Maryland: «Planetary Object Geophysical Observer (POGO),» a secondary payload that is a hopper to be dropped on the asteroid surface by the Asteroid Retrieval Vehicle to measure elemental composition of asteroid regolith at multiple locations.

Professor Ray Burgess, co-author and also from The University of Manchester, added: «The new simplified model we have developed is a big step forward in understanding how key ingredients essential for life were brought to our planet, including water that probably helped distribute the halogens between the planetary interior and surface.»

The new observations suggest water ice, mixed with organic molecules, is «widespread on the surface of the asteroid», Humberto Campins of the University of Central Florida in Orlando reported at a meeting of the American Astronomical Society's Division of Planetary Sciences in Fajardo, Puerto Rico, last week.

«For the first time, we have used a geophysical method to determine the internal structure of Enceladus, and the data suggest that indeed there is a large, possibly regional ocean about 50 kilometers below the surface of the south pole,» says David Stevenson, the Marvin L. Goldberger Professor of Planetary Science at Caltech and an expert in studies of the interior of planetarPlanetary Science at Caltech and an expert in studies of the interior of planetaryplanetary bodies.

Dione's ocean is about 100 kilometers below the surface and roughly 65 kilometers deep, Mikael Beuthe, a planetary scientist at the Royal Observatory of Belgium in Brussels, and colleagues report.

«To take the next really big leaps in lunar science is going to take landing on the ground and getting at it with instruments in a way very similar to what we've done for Mars,» says Barbara Cohen, a planetary scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland, who has developed methods for dating planetary samples on the surface of other worlds1.

The region's birth in a giant impact must have excavated so much ice from Pluto's surface that watery slush welled up from deeper within, plumping up to form a heavy, planetary - scale bruise beneath the thinner crust.

Advancements in EDL technology will lead to a dramatic increase in the amount of payload weight that can be safely delivered to planetary surfaces.

In an idle moment, while staring at a set of solar system data, it occurred to me that it might be interesting to display a set of planetary surfaces on an equal footing, where the overall texture of these worlds was visible (although topography is probably a more -LSB-...]

Hartmann works at the Planetary Science Institute in Tucson studying the surface features of terrestrial planets for clues to their formation and composition.

Researchers led by Caroline Beghein, assistant professor of earth, planetary and space sciences in UCLA's College of Letters and Science, used a technique called seismic tomography to study the structure of the Pacific Plate — one of eight to 12 major plates at the surface of the Earth.

Using Cassini's visible and infrared mapping spectrometer, planetary scientists discovered that Phoebe's surface is among the most complex in the solar system.

Astrobiologists, who will be presenting their work at the European Planetary Science Congress (EPSC) 2013 in London on Monday 9 September, have shown that Raman spectroscopy can be used to detect micro-organisms even after they have been damaged by exposure to very high levels of radiation, as is encountered on the Martian surface.

Hyperion may be unusual, says Peter Thomas, planetary geologist at Cornell University, in that it somehow retains those knocked - off bits on its surface.

That means studying changes in the Pliocene atmosphere, the land surface and most of all the oceans, which absorb the bulk of planetary warming.

«Thermal models of Pluto's interior and tectonic evidence found on the surface suggest that an ocean may exist, but it's not easy to infer its size or anything else about it,» said Johnson, who is an assistant professor in Brown's Department of Earth, Environmental and Planetary Sciences.

If it turns out to be common, it might mean that the moon could be cycling life - friendly compounds between the surface and the deep, and that substantially increases the chance that its ocean is habitable, says Michael Bland, a planetary scientist at the US Geological Survey in Flagstaff, Arizona.

To dig a few centimeters deeper into Mercury's surface, solar physicist Amir Caspi and planetary scientist Constantine Tsang of the Southwest Research Institute in Boulder, Colo., and colleagues will use an infrared camera, specially built by Alabama - based Southern Research, that detects wavelengths between 3 and 5 micrometers.

Likewise, the rules governing naming of surface features of the planets and their satellites — as spelled out in Appendix 6 of the Gazetteer of Planetary Nomenclature — pointedly exclude hoi polloi.

«A magnetic field protects the atmosphere of a planet or moon, and the atmosphere protects the surface,» says study coauthor Sonia Tikoo, a planetary scientist at Rutgers University in New Brunswick, N.J. Together, the two protect the potential habitability of the planet or moon, possibly those far beyond our solar system.

Still, says, Runyon, who is finishing his doctorate this spring in the Department of Earth and Planetary Sciences, Pluto «has everything going on on its surface that you associate with a planet.

The failed Mars Polar Lander was designed to solve one the biggest mysteries in planetary science: why the surface of Earth's sister planet is bone dry.

«For the first time, we can really determine what these strange welts of the icy surface of Pluto really are,» said William B. McKinnon, professor of earth an planetary sciences in Arts & Sciences at Washington University in St. Louis, who led the study.

Over time, these slowly spinning boulders bumped into each other with enough force to wear their edges into smooth surfaces, write the scientists in this month's issue of Planetary and Space Science.

Images from the Deep Space 1 spacecraft show that Comet Borrelly is the darkest object yet observed in the inner solar system, and several spots on its surface are blacker than anything planetary scientists have ever seen.

«We're the first measurement from the martian surface,» says Christopher Webster, a planetary scientist at NASA's Jet Propulsion Laboratory in Pasadena, California, and lead author of the new study.

But at the same time, they had a long - term beneficial effect in stabilizing surface temperatures and delivering key elements for life as we know it,» said Dr. Simone Marchi, a senior research scientist at SwRI's Planetary Science Directorate in Boulder, Colo..

«The detection of these compounds in comets helps to expand our knowledge of... the potential ingredients for life that could have been delivered to the early Earth or other planetary surfaces by comets,» says Jamie Elsila, an astrochemist at NASA.

In the search for other Earths, the main goal is to find a planet the same size as ours that sits in the habitable zone — the region around a given star where planetary surface temperature would be similar to ours, allowing liquid water to exisIn the search for other Earths, the main goal is to find a planet the same size as ours that sits in the habitable zone — the region around a given star where planetary surface temperature would be similar to ours, allowing liquid water to exisin the habitable zone — the region around a given star where planetary surface temperature would be similar to ours, allowing liquid water to exist.

«Thus, it is important to understand the time - dependent nature of our planet's interior dynamics in order to better understand the geological forces that affect the planetary surface that is our home.»

A cloud is a visible mass of condensed droplets or frozen crystals suspended in the atmosphere above the surface of the Earth or another planetary body.

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.

But some regions may become redder and darker than others because parts of the atmosphere collapse, exposing those spots to more surface - darkening radiation from space, researchers report March 22 at the Lunar and Planetary Science Conference in The Woodlands, Texas.

According to planetary scientist John Spencer of Lowell Observatory in Flagstaff, Arizona, Tvashtar was so close to Io's horizon at the time that the telescope would not have seen the hot material unless it was jetting above the surface.

Variations in texture seen in different portions of the fault surface may explain why Costa Rica has complex, patchy earthquakes that do not seem to slip to shallow depths, unlike some other megathrust faults, said first author Joel Edwards, a Ph.D. candidate in Earth and planetary sciences at UC Santa Cruz.

According to Jani Radebaugh, a planetary scientist at Brigham Young University who was not involved in the study, these results are notable because they represent a big step forward in studying the Saturnian moon's surface.

«By comparing the measured craters to the number and spatial distribution of large impact basins on Mercury, we found that they started to accumulate at about the same time, suggesting that the resetting of Mercury's surface was global and likely due to volcanism,» said lead author Dr. Simone Marchi, who has a joint appointment between two of NASA's Lunar Science Institutes, one at the SwRI in Boulder and another at the Lunar and Planetary Institute in Houston.

And planetary geologists had seen signs in the moon's surface lavas that indicate that its 100 known volcanic hot spots are fed by a deep magma «ocean.»

«Water plays a critical role in determining the tectonic behavior of planetary surfaces, the melting point of planetary interiors and the location and eruptive style of planetary volcanoes,» said Erik Hauri, a geochemist with the Carnegie Institution of Washington and lead author of the study.

In one case, an Earth - sized planet could orbit in the habitable zone (capable of having liquid water on their planetary surface) around two stars close togetheIn one case, an Earth - sized planet could orbit in the habitable zone (capable of having liquid water on their planetary surface) around two stars close togethein the habitable zone (capable of having liquid water on their planetary surface) around two stars close together.

While the cold surface conditions and the lack of illumination and heat from the dim host star eliminate the possibility of the new planet being home to life as we know it, the researchers said in a press release that it will improve their understanding of planetary systems beyond our own.