Sentences with phrase «planetary scientists now»

It has collected five of the 18 specimens identified as coming from Mars, including the specimen ALH84001, collected in 1984 and made famous in 1996 when NASA investigators suggested that secondary materials in the cracks of the meteorite might have been created through processes involving life — although most planetary scientists now think otherwise.

Not exact matches

Planetary scientist Heather Meyer, now at the Lunar and Planetary Institute in Houston, used data from NASA's Lunar Reconnaissance Orbiter to...

«We can now start with a pretty simple disk, pretty simple physics, and reproduce the outer solar system — and that's never been done before,» says Hal Levison, a planetary scientist at Southwest Research Institute in Boulder, Colorado, who led the study.

Now, in the 11 September issue of Nature, planetary scientists have explained why.

«This heretofore obscure «asteroid» will now be thrust toward center stage,» he predicts, as planetary scientists try to determine whether it has any cometlike properties.

That makes now the best time for scientists, legal experts and the public to start thinking about when and how we might relax planetary protection protocols if we decide another planet is lifeless, he says.

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 scientists are struggling to figure out how a massive cloud appeared high above Mars in 2012, but now they may have an answer

Discoveries of water on Mars are now so common that the subject has become the butt of jokes among planetary scientists: «Congratulations — you've discovered water on Mars for the 1,000 th time!»

Now Chad Trujillo, a planetary scientist at the California Institute of Technology, and his colleague Mike Brown have identified a massive hunk of rock and ice that is nearly 800 miles across, the largest minor planet ever discovered in the solar system.

Now, researchers estimate the comet will pass about 131,000 kilometers from the Red Planet on 19 October, says John Moores, a planetary scientist at York University in Toronto, Canada.

«Somebody said, «Look, this is bonkers,»» says Bagenal, now a planetary scientist at the University of Colorado at Boulder.

Now, planetary scientists say that the rotation of the hexagon could most accurately reflect the length of Saturn's short - lived day: 10 hours, 39 minutes, and 23 seconds.

«We can see now at true planetary scale that increasing water temperature will have a huge impact on microbial life in the ocean,» said Shinici Sunagawa, an EMBL staff scientist and a senior author on a second Tara paper.

European planetary scientists are still building the roving laboratory they plan to send to Mars in 2018, but now they know where it will land: Oxia Planum.

That once - rejected work has now inspired two teams of planetary scientists to model what might have happened if an object roughly 10 times as massive as Ceres, the largest asteroid, smashed into ancient Mars.

Now, as planetary scientists report online today in Science, the second spacecraft to Mercury has found that this magnetic field formed billions of years ago.

Now, planetary scientists have conducted the first computer simulations that bolster a controversial alternative idea: The satellites formed as our own moon did, after a big object smashed into the planet and kicked up debris.

«You can get an establishment view if you have limited data,» explains Jonathan Lunine, a planetary scientist at the University of Arizona who worked on the now pushed - back Titan mission.

In addition to Garrick - Bethell, the coauthors of the paper include Viranga Perera, who worked on the study as a UCSC graduate student and is now at Arizona State University; Francis Nimmo, professor of Earth and planetary sciences at UCSC; and Maria Zuber, a planetary scientist at the Massachusetts Institute of Technology.

Now this comes from a, this piece of it comes from a 2003 paper by a planetary scientist named Jack Wisdom at the Massachusetts Institute of Technology; and what he discovered is that you can move, as you [were describing] through curved space by moving, [let's] say, your arms and legs, or if you're an alien as it is described in the article, a tripod alien — just for the simplicity of demonstrating how the movements are with, sort of, heavy feet and a ball at the end of the tail that helped to move the [weight] around, just to make it kind of simple to look through — you can move through curved spacetime without pushing against anything, and this is the key here.

Right now, planetary scientists are searching for hundreds of potentially threatening asteroids approaching Earth.

The simulation suggests that Earth now is nearly halfway through its tectonic life cycle, says study coauthor Craig O'Neill, a planetary scientist at Macquarie University in Sydney.

«This is the best planet we have [for study] right now, no question,» says planetary scientist Sara Seager of the Massachusetts Institute of Technology in Cambridge, who was not involved in the finding.

Planetary scientist Alan Stern is counting down the days — just 365 of them now.

On the eve of this year's World Economic Forum in Davos, Switzerland, a team of scientists led by Will Steffen of the Stockholm Resilience Centre at Stockholm University and the Australian National University report in the journal Science that the world has now crossed four of nine planetary boundaries within which humans could have hoped for a safe operating space.

Scientists are now telling us that we're blowing past planetary boundaries at breakneck speed.

Some biologists and planetary scientists say that the amount of CO2 now in the atmosphere is nearly the minimum to sustain plant life.

In the past two years Climate News Network has reported that climate scientists certainly expected a slowdown, but just not right now; or that planetary measurements might be incomplete or misleading; or that even though average levels were down, this masked a series of hotter extremes.

The problems are familiar by now: they include a planetary warming that, while slow on the scale of a human lifetime, is extremely rapid on a geologic time scale, the scientists said.

The Earth has experienced five mass extinctions before the one we are living through now, each so complete a slate - wiping of the evolutionary record it functioned as a resetting of the planetary clock, and many climate scientists will tell you they are the best analog for the ecological future we are diving headlong into.

These data points help show why it is that scientists believe that planetary temperatures, sea levels and carbon dioxide levels all tend to rise and fall together — and thus, why Earth is now headed back toward a period like the mid-Pliocene or even, perhaps, the Miocene, if current trends continue.