Sentences with phrase «space radiation by»

Life on Earth is protected from space radiation by a big, invisible, lopsided bubble.

Not exact matches

Micra, a device which manufacturer and medical device giant Medtronic calls the world's smallest pacemaker (it's a one - inch long product that doesn't contain any leads), is being sent to the final frontier to examine how it's affected by high radiation and low temperatures during space flight.

According to Discover magazine, physicists can offer us the ability to test whether we live in our own virtual Matrix by studying radiation from space.

So that's basically saying that the New Horizons spacecraft is powered, computationally speaking, by an aging processor that's been «radiation - hardened» for use in space.

An alternative route of abstraction, by thinking away all energy that sets up physical relations, and thinking this away by having substances too dense to release radiation, also leads to a space concept that may be approximated somewhere in nature.

Modifying the vegetation cover alters the surface properties — such as the amount of heat dissipated by water evaporation and the level of radiation reflected back into space — which has a knock - on effect on local surface temperature.

Outer space may look mostly empty, but it's actually packed with cosmic radiation — gamma rays and charged particles produced by exploding stars, black holes and other violent astrophysical phenomena.

The first suggestion that the flow existed came in 2008, when a group led by Alexander Kashlinsky of NASA's Goddard Space Flight Center in Greenbelt, Maryland, scrutinised what was then the best map of the cosmic microwave background radiation, the big bang's afterglow.

It is the first DNA analyser to head into space, and may eventually allow astronauts to directly monitor changes to their genetic code caused by the harsh radiation environment in orbit.

He has seen evidence of these warm dusty rings in infrared radiation picked up by the Spitzer space telescope.

The team analysed data gathered over seven years by the international Cassini probe, and found that the interactions between Titan's atmosphere, and the solar magnetic field and radiation, create a wind of hydrocarbons and nitriles being blown away from its polar regions into space.

Scientists from the University of New Hampshire and colleagues have published comprehensive findings on space - based radiation as measured by a UNH - led detector aboard NASA's Lunar Reconnaissance Orbiter (LRO).

Space scientists from the University of New Hampshire (UNH) and the Southwest Research Institute (SwRI) report that data gathered by NASA's Lunar Reconnaissance Orbiter (LRO) show lighter materials like plastics provide effective shielding against the radiation hazards faced by astronauts during extended space trSpace scientists from the University of New Hampshire (UNH) and the Southwest Research Institute (SwRI) report that data gathered by NASA's Lunar Reconnaissance Orbiter (LRO) show lighter materials like plastics provide effective shielding against the radiation hazards faced by astronauts during extended space trspace travel.

The data provide critical information on the radiation hazards that will be faced by astronauts on extended missions to deep space such as those to Mars.

But today, space weather scientists are reaping such a windfall, as the Los Alamos National Laboratory in New Mexico has released 16 years of radiation measurements recorded by GPS satellites.

It's been 100 years since Albert Einstein presented his theory of general relativity, which describes space and time as a unified fabric, curved by the presence of matter and radiation within it.

- The giant radio telescopes of NASA's Deep Space Network — which perform radio and radar astronomy research in addition to their communications functions — were tasked with observing radio emissions from Jupiter's radiation belt, looking for disturbances caused by comet dust.

The papers in a special issue of the journal Space Weather document and quantify measurements made since 2009 by the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) radiation detector.

Manufactured in bulk, low - cost Sprites could be deployed and networked by the hundreds or thousands to create space - based sensor arrays of unprecedented breadth, with each craft so lightweight that it could operate without propellant, shifting or maintaining its orbit solely through the radiation pressure of starlight or the forces imparted by a planet's magnetic field.

Previous research has tested how well radiation - exposed rats do with basic learning tasks and mazes, but this new Johns Hopkins study focused on tests that closely mimic the self - tests of fitness for duty currently used by astronauts on the International Space Station prior to mission - critical events such as space wSpace Station prior to mission - critical events such as space wspace walks.

Sheltered as we are by Earth's atmosphere and magnetic field, which deflect lethal radiation from space, we are like coddled children who have never ventured into a tough neighborhood.

Following up on the discovery, an international team of scientists led by the Swiss astronomer Vincent Bourrier from the Observatoire de l'Université de Genève, used the Space Telescope Imaging Spectrograph (STIS) on the NASA / ESA Hubble Space Telescope to study the amount of ultraviolet radiation received by the individual planets of the system.

The Australian telescope was one of several payloads carried into space by the shuttle Endeavour to observe ultraviolet radiation from stars and galaxies.

By far the most rigorously researched of the Tintin stories, it features nuclear fission, the effects of gravitation in space and why meteorites make lunar craters, as well as side references in Professor Calculus's log book to the «constant of solar radiation» and the «limits of the solar spectrum in the ultraviolet».

Instead of dissipating into space, the infrared radiation that is absorbed by atmospheric water vapor or carbon dioxide produces heating, which in turn makes the earths surface warmer.

It shows the world surrounded by dragons — a metaphor, he says, for the radiation threat astronauts face in deep space.

Albedo is a ratio of how much sunlight (and its thermal radiation) is reflected back into space by a given surface.

«When biogenic VOCs are oxidized, they give rise to aerosol particles that cool the climate by reflecting part of the Sun's radiation back into space,» Artaxo said.

The findings appeared in the May issue of Scientific Reports and were presented by UNLV scientist Francis Cucinotta, a leading scholar on radiation and space physics.

Indeed, the dangers posed by cosmic radiation are so daunting that even some members of the normally upbeat astronaut corps are beginning to question whether a human mission to deep space will be feasible anytime in the near future.

The telescope — based at the US National Radio Astronomy Observatory (NRAO) in West Virginia — was tuned to a frequency of 1420 megahertz, the wavelength of radiation naturally emitted by hydrogen in space.

This radiation was stretched to longer wavelengths as space itself expanded, and by the time it reached Earth — and Herschel — it was in the far - infrared and submillimetre range.

In a new paper in Scientific Reports, FSU Dean of the College of Human Sciences and Professor Michael Delp explains that the men who traveled into deep space as part of the lunar missions were exposed to levels of galactic cosmic radiation that have not been experienced by any other astronauts or cosmonauts.

By gathering charged particles floating through space, the bubbles could form a force field that flicks away radiation.

Moreover, any manned outpost on Phobos would be well shielded from space radiation — protected on one side by Mars and on the other by the satellite's own bulk.

A possible cause for the accelerated Arctic warming is the melting of the region's sea ice, which reduces the icy, bright area that can reflect sunlight back out into space, resulting in more solar radiation being absorbed by the dark Arctic waters.

Creating the ability to more quickly and accurately forecast space weather would give satellite operations teams, space programs and others technologies that rely on assets in Earth's space environment the ability to reposition satellites and / or shut down noncritical components as well as defer critical operations — such as uploading new software or orbital maneuvers — that might be adversely affected by storm effects, such as increased penetrating radiation.

One possibility, he noted, is the radiation is caused by interactions between charged particles at the boundary between the sun's magnetic field and interstellar space.

Vinković's model «shows how dust grains propelled by radiation pressure can travel from the disk's hottest regions to its icy outer edges,» says astronomer Dániel Apai of the Space Telescope Science Institute in Baltimore, Maryland.

One chunk of that debris floated around in space for roughly 5 million years — Agee can tell by the traces of cosmic radiation etched into the rock — until it fell to Earth, and ultimately into Agee's lab.

The cooling mechanism involves the absorption of heat by the haze particles, which then emit infrared radiation, cooling the atmosphere by radiating energy into space.

According to Zhang, the excess infrared radiation from haze particles in Pluto's atmosphere should be detectable by the James Webb Space Telescope, allowing confirmation of his team's hypothesis after the telescope's planned launch in 2019.

It might sound like something from a science fiction plot — astronauts traveling into deep space being bombarded by cosmic rays — but radiation exposure is science fact.

Storm clouds play a big role in keeping the planet cool by reflecting heat back into space — but they're not as effective farther north or south, where there's less solar radiation anyway.

Left unchecked, the haze could absorb solar radiation, warming the Arctic and in turn aggravating global warming by melting the ice and snow that reflect some of the Sun's rays back into space.

Since Lew Snyder and David Buhl discovered interstellar formaldehyde in 1969, astronomers have identified more than 150 molecules in deep space, mostly by using radio telescopes to detect the faint radiation the molecules emit.

It will study the effects of space radiation on DNA and will be strictly confined to a platform on the station run by NanoRacks, the company that Chinese researchers have contracted to run the experiment.

So, even if embryos can successfully form in high - radiation space environments, their growth may be hampered by the reduced gravity.

The hue may be formed by radiation from space splitting molecules in the planet's clouds, which then combine to form red compounds.

Eight of the newly discovered clouds were more energetic than would be expected given the amount of radiation coming from the host quasar, even when observed in infrared light by NASA's Wide - field Infrared Survey Explorer (WISE) space telescope.