Sentences with phrase «planetary impact of»

With a decision that could have far - reaching implications, a federal judge in California has ordered the first ever U.S. court hearing on climate science for a «public nuisance» lawsuit, meaning that major oil and gas companies for the first time may have to go on the record regarding what they knew about the planetary impacts of their products — and when.

Not exact matches

Now multiply this by every coal - fired power station on earth running night and day and the staggering volume of CO2 produced starts to be something you can understand can impact the earth on a planetary scale.

The fact that people around the world expect the UN to deliver (which is why they are, so often, disappointed when it fails); the fact that we now expect states to work collectively on global problems; the fact that almost every aspect of human endeavour and planetary resource is addressed by international laws or bodies — all this reflects the transformative impact of the UN on our world and our lives.

That's potentially problematic, because planetary scientists use the number of small impact craters to estimate the age of the lunar surface.

The structure may be the result of an impact that blasted material off Himalia, suggest Cheng and colleagues in a study presented at the Lunar and Planetary Science Conference in Houston, Texas, earlier this month.

Looking at the rise and fall of civilizations in terms of their planetary impacts can also affect how researchers approach future explorations of other planets.

«This linkage of basin - forming impacts and volcanism is an important insight in planetary geology and geophysics.»

New research presented at the European Planetary Science Congress at UCL aims to answer the final question, of whether entry and impact is survivable for simple organisms.

Isshi Tabe and Dr Jun - ichi Watanabe, of the Association of Lunar and Planetary Observers (ALPO) in Japan, set up the Find Flash project following the observation of an impact flash by four Japanese amateur astronomers on 20th August 2010.

Unlike natural bridges on Earth, which form largely by erosion from wind and water, these lunar bridges probably formed as a result of an impact in the last billion years, says Mark Robinson, a planetary geologist at Arizona State University in Tempe and principal investigator for LRO's camera.

Scientists propose a list of planetary boundaries for human impacts ranging from biodiversity loss to the global nitrogen cycle

Simone Marchi, a planetary scientist at the Southwest Research Institute in Colorado, did find traces of large impact basins comparable to Tombaugh Regio in Dawn's data.

«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.

One of the most interested observers will be H. Jay Melosh, a professor at the University of Arizona's Lunar and Planetary Laboratory and a member of NASA's Deep Impact science team.

They looked at how different planetary rotation rates would impact heat transport with the presence of oceans taken into account.

Planetary scientist H. Jay Melosh is of course correct that the Deep Impact probe will have a negligibly small effect on comet Tempel I's orbit [«Impact Geologist Waits for the Big One to Hit,» Discover Dialogue, July].

Other theories involve planetary collisions that knock worlds off course or simply a large mass of materiallike an asteroid that jumps aboard and, by its mass and impact, tilts the once - flat orbit.

The NEO Observations Program is a primary element of NASA's Planetary Defense Coordination Office, which is responsible for finding, tracking and characterizing potentially hazardous NEOs, issuing warnings about possible impacts, and coordinating U.S. government planning for response to an actual impact threat.

This supports the idea that a young planetary system can inherit the chemical composition of its parent star - forming cloud and opens up the possibility that organohalogens could arrive on planets in young systems during planet formation or via comet impacts.

Luckily, the longest lasting effects of this close planetary shave (the most destructive since the Tunguska impact of 1908) may just be a renewed public focus on dangerous space rocks.

Elisabetta Pierazzo of the Planetary Science Institute in Tucson, Arizona, and colleagues used a global climate model to study how water vapour and sea salt thrown up from an impact will affect ozone levels for years after the event.

«We know that biochar impacts the soil nitrogen cycle, and that's how it reduces nitrous oxide,» said Masiello, a professor of Earth, environmental and planetary science.

The interaction occurred 149 minutes into the three - hour program, drawing in several candidates who repudiated the idea of enacting an «insurance policy» to guard against the risk of sea - level rise and other impacts of planetary warming.

However, planetary scientist David Crawford of Sandia National Laboratories in Albuquerque, New Mexico, cautions that his own supercomputer calculations of ocean impacts produce tsunamis up to 10 times smaller than those in Ward and Asphaug's analysis.

Now, a group of impact modelers argued at the Lunar and Planetary Science Conference that the object that crashed into Vesta and reshaped its geology was eight times as massive as previously thought.

A group of impact modelers argued at the Lunar and Planetary Science Conference that the object that crashed into asteroid Vesta — the asteroid belt's second - most - massive body — and reshaped its geology was eight times as massive as previously thought.

Terrestrial planet formation models indicate Earth went through a sequence of major growth phases: accretion of planetesimals and planetary embryos over many tens of millions of years; a giant impact that led to the formation of our Moon; and then the late bombardment, when giant asteroids, dwarfing the one that presumably killed the dinosaurs, periodically hit ancient Earth.

He is the lead author of a paper, «Massive Impact - induced Release of Carbon and Sulfur Gases in the Early Earth's Atmosphere,» recently published in the journal Earth and Planetary Science Letters.

This week, at the 46th Lunar and Planetary Science Conference, researchers report that some of the impacts carved out strange funnel - shaped «carrots» in the snow.

As planetary scientist Shane Byrne of the University of Arizona (UA), Tucson, and his colleagues reported last month at the Lunar and Planetary Science Conference in The Woodlands, Texas, MRO's broad - scale Context Camera has been finding the dark smudges of impact debris that weren't there as recently as a monthplanetary scientist Shane Byrne of the University of Arizona (UA), Tucson, and his colleagues reported last month at the Lunar and Planetary Science Conference in The Woodlands, Texas, MRO's broad - scale Context Camera has been finding the dark smudges of impact debris that weren't there as recently as a monthPlanetary Science Conference in The Woodlands, Texas, MRO's broad - scale Context Camera has been finding the dark smudges of impact debris that weren't there as recently as a month earlier.

But when NASA's MESSENGER spacecraft detected lots of sulfur and potassium in the crust of Mercury earlier this year, many planetary scientists believed this ruled out the giant - impact scenario for the innermost planet.

Then researchers could use the detailed seismic picture of the moon's interior to understand better the evolution of a planetary body assembled from the vaporous debris of a giant impact on the still - forming Earth.

«Our experiments bring additional evidence in favor of the giant impact hypothesis,» said Maylis Landeau, the lead author of the paper, who was a post-doctoral fellow in Johns Hopkins» Department of Earth and Planetary Sciences when the experiments were conducted.

The discovery shows for the first time that hot Jupiters can appear at a very early stage in the formation of planetary systems, and therefore have a major impact on their architecture.

In the field of planetary and atmospheric sensing, linear arrays capable of simultaneously measuring height - resolved spectral features would have a major impact on issues such as climate change and ozone chemistry,» explains Peter de Maagt, ESA's project manager for Star Tiger.

Europa, however, lies in a zone that planetary scientist Richard Greenberg of the University of Arizona in Tucson calls «the sweet spot,» where Jupiter's impact makes the moon neither too hot nor too cold.

«There's basically only one process we know of that will produce a giant elliptical depression... and that's a giant impact,» says M.I.T. planetary scientist Jeffrey Andrews - Hanna, lead author of the report, published in Nature.

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.

The leading hypothesis for the moon's formation contends that a massive impact billions of years ago knocked a wealth of planetary material off of Earth, which coalesced into our lunar companion.

He described the effect of an impact on Venus at a planetary science meeting held last month in Munich.

By drilling into a circular ridge inside the 180 - kilometer - wide crater rim, researchers also hope to nail down the processes that form «peak rings»: hallmarks of the largest impact craters, which planetary scientists have seen elsewhere in the solar system but which erosion has erased from other big craters on Earth.

«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.

Scientists record the size and number of impact craters — and how eroded they are — to determine the ages and histories of different planetary surfaces.

Psyche would be a mission to something never examined before up close — a metallic asteroid, the metallic core of a protoplanet where the outer rocky layers (and any atmosphere) had been «stripped away» by a violent impact with another object, according to planetary scientists.

Despite national and international efforts to reduce anthropogenic emissions, growing concentrations of atmospheric carbon dioxide will yield planetary warming and associated impacts for the foreseeable future.

These studies are aimed at understanding the physical mechanisms that govern star formation and how the evolution of the gaseous component of disks impacts the resulting planetary system architectures.

Usually, such an impact would cause intense shock waves to ripple through the planetary body, but Galileo couldn't find any evidence of this, leading scientists to theorize that a watery ocean could have softened the blow.

«An expert on planetary impacts and global catastrophes, Boslough's work on airbursts challenged the conventional view of asteroid collision risk and is now widely accepted by the scientific community.

Lecture 7 of Dr. Bruce Betts» 2015 online Introductory Planetary Science and Astronomy course covers asteroid Ceres, the near Earth asteroid threat to Earth (including statistics, past impacts, and information on the Chelyabinsk fireball), and introduces the Jupiter system.

During the simulations, it was found that the planetary bodies would have to strike each other at a rate of 2.5 km (1.6 miles) per second to produce an impact plume with molten droplets that would cool at the correct rate to create chondrules with the characteristics we observe today.