Sentences with phrase «radiation environment»

Of particular interest are changes in mechanical and thermal transport properties with which researchers try to determine the lifetime for safe use of the material in engineering systems within radiation environments.

These devices can also function at higher operating temperatures and in high radiation environments such as space.

The variability of the spacecraft radiation environment due to major space weather events has often resulted in either a partial or a complete failure of the detection systems on board.

High - power gallium nitride - based high electron mobility transistors (HEMTs) are appealing in this regard because they have the potential to replace bulkier, less efficient transistors, and are also more tolerant of the harsh radiation environment of space.

So I would expect a wide range of different radiation environments around BD's.

The endgame for any spacecraft that enters this doughnut - shaped field of high - energy particles is an encounter with the harshest radiation environment in the solar system.

It has recorded towering volcanic plumes above Jupiter's moon Io, gathered evidence that Europa might have an ocean beneath its icy carapace, and investigated the intense radiation environment near Jupiter.

Townsend, L. W. Implications of the space radiation environment for human exploration in deep space.

But, while 400 pounds of titanium can do magical things, it can't do it forever in an extreme radiation environment like that on Jupiter.

Large solar storms, such as from flares and CMEs, can produce lethal radiation environments on the Moon or in interplanetary space.

The available knowledge of the characteristics of radiation environments at different planetary systems is based on in - situ and remote sensing measurements from flybys as well as orbiting spacecraft.

«A number of experiments and observations have figured out that, under the right conditions, radio communications signals in the VLF frequency range can in fact affect the properties of the high - energy radiation environment around the Earth,» explained Phil Erickson, assistant director at the MIT Haystack Observatory in Westford, Massachusetts.

CRaTER characterizes the global lunar radiation environment by measuring radiation dose rates from galactic cosmic rays and solar energetic particles.

CRaTER offers an opportunity to test the capability of PREDICCS to accurately describe the lunar radiation environment.

«It's between Mars and Jupiter, it's not a nasty radiation environment like Jupiter's Europa, it's not really far away like Saturn's Enceladus and it's got low gravity so it doesn't require lots of energy to land on!

«Those have been left over by my patching algorithm, and are therefore likely to be no camera artifacts but instead energetic particle hits [from Jupiter's intense radiation environment] or, with a lot of luck, lightning.»

«This scene from JunoCam indicates it survived its first pass through Jupiter's extreme radiation environment without any degradation and is ready to take on Jupiter,» said Scott Bolton, principal investigator from the Southwest Research Institute in San Antonio.

There are many open questions about 55 Cancri e, especially: Why has the atmosphere not been stripped away from the planet, given the perilous radiation environment of the star?

One of the main reasons for limiting the operating lifetimes of nuclear reactors is that metals exposed to the strong radiation environment near the reactor core become porous and brittle, which can lead to cracking and failure.

The high - energy radiation environment created by the star during this youthful phase can deplete a planet's atmosphere, essentially causing its constituent particles to be lost to space.

A number of scientific aspects of Omega Centauri are discussed as the story progresses, including the likely radiation environment inside the cluster and what the sky might look like from inside the cluster.

Nevertheless, the ambient radiation environment changed sharply.

«During each orbit, the spacecraft spends only a short time within the challenging radiation environment near Europa.

Extrapolating from that, we can expect a dangerous radiation environment.

Sorry, I had an afterthought to my enthusiasm: The magnetic and radiation environment surrounding Jupiter is highly unfavorable to the orbit of Callisto or thereabouts.

«A number of experiments and observations have figured out that, under the right conditions, radio communications signals in the VLF frequency range can in fact affect the properties of the high - energy radiation environment around the Earth,» Phil Erickson, one of the scientists involved, said in a statement.

Only in the last decade, when multiple spacefaring nations and corporate entities have announced plans to embark on manned exploratory missions to Mars and prolonged habitation on the Moon, has biomedical research been directed towards identifying possible CVD risks associated with the deep space radiation environment.

For example, the probe will fly through a harsh radiation environment that could fry a particular instrument if it isn't sufficiently protected.

«DoSEN is an innovative concept that will lead to a new generation of radiation detectors, or dosimeters, to aid in understanding the hazards posed by the radiation environment of space,» says Schwadron.

It provides updates of the radiation environment on an hourly basis and archives the data weekly, monthly, and yearly — an historical record that provides a clear picture of when a safe radiation dose limit is reached for skin or blood - forming organs, for example.

The measurements have also played a vital role in UNH space scientists» efforts to develop both the first Web - based tool for predicting and forecasting the radiation environment in near - Earth, lunar, and Martian space environments and a space radiation detector that possesses unprecedented performance capabilities.

«Pioneer 10 discovered that the radiation environment of Jupiter was much more severe than anyone had expected,» Stone says.

The radiation environment is so extreme that it would be lethal to try to live there, and the gravity is so strong you'd be squeezed flat immediately.»

The evaluation by the combined TESS team, involving sophisticated orbit - determination tools, confirmed that the orbit offered a relatively clear view of the cosmos, good visibility of ground stations, little contamination from straylight, and a benign, low - radiation environment — all important ingredients for a productive all - sky survey cataloguing extrasolar planets around bright stars.

We designed an orbit around Jupiter that minimizes exposure to Jupiter's harsh radiation environment.

The researchers conclude that the radiation environment continues to pose significant hazards associated both with historically large galactic cosmic ray fluxes and large but isolated SEP events, which still challenge space weather prediction capabilities.

«The radiation dose rates from measurements obtained over the last four years exceeded trends from previous solar cycles by at least 30 percent, showing that the radiation environment is getting far more intense,» said Nathan Schwadron, professor of physics and lead author of the study.

Four years later, their newest research shows current conditions exceed their predictions by about 10 percent, showing the radiation environment is worsening even more than expected.

«We now know that the radiation environment of deep space that we could send human crews into at this point is quite different compared to that of previous crewed missions to the moon,» says Schwadron.

In March 2016, the program gave four teams up to $ 400,000 each to develop solar cells designed to work in low - temperature, high - radiation environments.

«The specific mechanism still needs to be investigated, but this could have importance for spacecraft in high - radiation environments.»

Wait, it's being said here that the reason to send humans beyond LEO is to see how bad the radiation environment is?

The real reason for beyond LEO is to find out how bad the radiation environment really is for long missions.

«We'll be looking carefully for more «clouds» as we continue to characterize the radiation environment at aviation altitudes,» says Tobiska.

His research focuses on the radiation stability of nuclear waste materials, computer simulations, and the performance of materials in high - radiation environments.