Sentences with phrase «university planetary scientist»

Cornell University planetary scientist Steve Squyres, the principal science investigator for the rovers, expressed hope «that Spirit will survive this cold, dark winter that we have ahead of us.»

The eastern part of Ligeia Mare averages from 20 to 40 meters in depth, says Alexander Hayes, a Cornell University planetary scientist who reported the discovery November 10 at the American Astronomical Society's Division for Planetary Sciences meeting.

The findings help iron out a big wrinkle in the giant impact hypothesis, the only idea about the moon's origin that hasn't been shot down yet, says Harvard University planetary scientist Sarah Stewart, who was not involved with the study.

In 2004, when NASA's Cassini spacecraft first began orbiting Saturn and studying its moon Titan, Brigham Young University planetary scientist Jani Radebaugh was puzzled.

To figure out how this happened, Harvard University planetary scientists paired with researchers working at Sandia National Laboratories» Z machine and shot metal projectiles into tiny iron squares at up to 55,000 mph.

Not exact matches

In a breakthrough study, an international team of scientists, including Professor Nikolai Brilliantov from the University of Leicester, has solved an age - old scientific riddle by discovering that planetary rings, such as those orbiting Saturn, have a universally similar particle distribution.

«This is a pretty secure detection,» says Ralph Lorenz, a planetary scientist at the Johns Hopkins University Applied Physics Lab in Laurel, Md..

But ice shouldn't be stable at Ceres's surface, says Andy Rivkin, a planetary scientist at the Johns Hopkins University Applied Physics Laboratory.

«Some of the numbers we've been operating on date back decades, and it'd be great to revisit them,» says Sarah Johnson, a planetary scientist at Georgetown University in Washington, D.C..

«A history of Venus is stored in the atmosphere,» says Larry Esposito, a planetary scientist at the University of Colorado in Boulder.

«It will be a plume - sampling extravaganza,» says planetary scientist William McKinnon at Washington University in St Louis.

But other planetary scientists, including Jonathan Lunine of Cornell University in Ithaca, New York, note that JWST will also use its infrared eyes to peer at planets both inside the Solar System and beyond.

«Agee and his collaborators have thrown open the door to a whole new part of Mars,» says planetary scientist Munir Humayun at Florida State University in Tallahassee, who was not involved in the study.

To Alberto Fairén, a planetary scientist at Cornell University, that makes no sense.

Horst Uwe Keller, a planetary scientist at the Technical University of Braunschweig in Germany, and the former principal investigator for the Rosetta camera, says that it is too early to say whether the dinosaur eggs are truly fundamental building blocks.

Climate scientist Jon Foley of the University of Minnesota, who is part of a team of researchers that defined safe limits for 10 planetary systems, including climate, argues for erring on the side of caution.

A new mission would likely head for Encke, a comet described as «evolved, degassed, used - up, and as old as possible» by Contour mission leader Joseph Veverka, a planetary scientist at Cornell University.

So, this [broader] notion of planetary boundaries is something that a group of scientists around the world, led by Stockholm University and others, who had [recently] been pulling together to say, «Wait a minute.

The craters may be up to 4 billion years old, from a time when asteroids were heavily bombarding the early Solar System, says team member William McKinnon, a planetary scientist at Washington University in St. Louis, Missouri.

Planetary scientist Margaret Kivelson of the University of California, Los Angeles, and her colleagues found that Ganymede's internal field shuddered on its axis by 3.6 angular degrees as Jupiter's field rocked back and forth.

Such refuges may be the first place to look for life on Europa, says planetary scientist Richard Greenberg of the University of Arizona, Tucson.

However, its large outermost planet could have long ago swept that vicinity clean of planetary material, notes planetary scientist Jonathan Lunine of the University of Arizona at Tucson.

«If they can figure out the engineering and the economics, the raw materials are out there,» says planetary scientist Andrew Rivkin of Johns Hopkins University.

But the announcement was «a little bit premature», rover scientist Ray Arvidson of Washington University in St Louis, Missouri, told researchers at the Lunar and Planetary Science Conference in Houston, Texas, on Monday.

Essam Marouf, a planetary scientist at San José State University in California, reported on the first results from a separate radar experiment that sent radar reflections to Earth instead of back to the spacecraft.

Squyres, a planetary scientist at Cornell University in Ithaca, New York, is also the lead investigator for NASA's long - lived Opportunity Mars rover (although he says he plans to step down from that role if CAESAR is selected for flight).

«There's been a crying need to go back to Jupiter and actually study Jupiter,» says Jonathan Lunine, a planetary scientist at Cornell University.

A postdoc at the Lunar and Planetary Laboratory of the University of Arizona and an associate research scientist with the Planetary Science Institute, Richmond is frustrated by her struggle for stability.

«This is terra incognita for planetary scientists,» says Leigh Fletcher, a planetary scientist at the University of Leicester in England.

The results are «unexpected» and «exciting,» says Sarah Stewart, a planetary scientist at the University of California, Davis, who was not involved in the study.

Hörst, a planetary scientist at the University of Arizona, began studying Titan's chemistry after the NASA Cassini probe detected complex organic molecules in the atmosphere.

«My scientific life is tied to this spacecraft, to this mission,» says Luciano Iess, a planetary scientist at the Sapienza University of Rome who has led Cassini's radio experiment since 1990.

«That's like having four people standing on your shoulders,» says Fran Bagenal, a planetary scientist at the University of Colorado Boulder.

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.

«We have a mission and an obligation, given who we are and the benefits we enjoy as a result of our status as scientists, to address major science - based issues in society,» said Huybers, a professor of earth and planetary sciences and environmental science and engineering at Harvard University.

To answer that last question in particular, «you have to fly between the planet and the rings,» says planetary scientist Matthew Hedman of the University of Idaho in Moscow, who uses Cassini data to study the rings.

According to Michael Wong, a planetary scientist at the University of California in Berkeley, the overarching takeaway from these new images is how relatively blinkered most of our earlier views have been.

Imke de Pater, a planetary scientist at the University of California, Berkeley who was not involved in the studies, says the new gravity measurements should allow scientists to get a better handle on the structure of the planet's core.

«I think we're at our best when climate scientists connect the impacts of [climate change] to our personal lives, to our economy, to our families, to our communities,» Hill is an associate professor of earth and planetary sciences at the University of California, Davis.

«If we're right, oceans in the outer solar system are common, and other objects of similar size to Pluto there probably also have subsurface oceans,» says Francis Nimmo, a lead author of one of the studies and planetary scientist at the University of California, Santa Cruz.

But now, data gathered during five of Cassini's final 22 passes before it plunged into the planet are bringing the mass of the B ring into focus, Luciano Iess, a planetary scientist at the Sapienza University of Rome, announced at the AGU meeting today.

Planetary scientist Matt Siegler at Southern Methodist University, Dallas, and colleagues made the discovery while examining NASA data known to indicate lunar polar hydrogen.

When at sea, we were treated to some 25 sessions with a diverse faculty, including Larry Cahill, neurobiologist at the University of California, Irvine; Robert Fovell, atmospheric and oceanic scientist at U.C.L.A.; James Gillies, head of communications at CERN; Peter Smith, professor emeritus of planetary sciences at the University of Arizona; and David Stevenson, planetary scientist at the California Institute of Technology.

«People had calculated that water ice would be stable at the pole, but no one knew whether it actually existed there,» says planetary scientist William Boynton of the University of Arizona in Tucson, who is in charge of the instrument that found the ice.

Reviewing this recent work in the Dec. 4 Science, planetary scientists Benjamin Weiss of MIT and Sonia Tikoo of the University of California, Berkeley conclude that this magnetic field originated from flowing material inside the moon.

«The worst thing would have been no replacement target,» says planetary scientist Donald Brownlee of the University of Washington, Seattle, who leads the Stardust mission en route to gather dust during a flyby of Comet Wild 2.

The bitterly cold temperatures that make Titan so forbidding for life in some ways make it more intriguing to people like Toby Owen, a planetary scientist at the University of Hawaii and a Cassini coinvestigator.

Between 4.4 and 4.5 billion years ago, Earth may have had not just one moon but two, argued planetary scientist Erik Asphaug of the University of California, Santa Cruz.

Participating in the conversation were Russlynn Ali, assistant secretary for civil rights at the Department of Education; Joan Steitz, a molecular biophysicist at Yale University who studies RNA; Shirley Malcom, head of the directorate for education and human resources at AAAS; and Sara Seager, a planetary scientist and physicist at MIT who studies the atmospheres of planets beyond the solar system.

A THIN plating of metallic compounds may explain puzzling radar reflections from the mountains on Venus, say planetary scientists at Washington University in Saint Louis.