Sentences with phrase «detected infrared radiation»

In the past 2 decades, astronomers have detected infrared radiation from debris disks around several stars.

Jewel beetles have sensors that detect infrared radiation from forest fires as far as 50 miles away.

Instruments for detecting infrared radiation include heat - sensitive devices such as thermocouple detectors, bolometers (some of these are cooled to temperatures close to absolute zero so that the thermal radiation of the detector system itself is greatly reduced), photovoltaic cells, and photoconductors.

She also developed solid - state sensors to help astronomers and the military detect infrared radiation — heat.

A tennis - court - sized telescope orbiting far beyond Earth's moon, Webb will detect infrared radiation and be capable of seeing in that wavelength as well as Hubble sees in visible light.

There are hand - held devices that can detect infrared radiation and thereby measure heat leakage (energy losses) from buildings.

Not exact matches

The expanding universe makes it difficult to detect first star and supernova radiation, which shift into the near - infrared wavelength.

The impact of grain size on albedo — the ratio between reflected and incoming solar radiation — is strong in the infrared range, where humans can't see, but satellite instruments can detect the change.

By observing the combined infrared radiation of star and planet with Spitzer and then subtracting the radiation recorded from the star alone when it hid the planet, Deming and Charbonneau had detected the heat of the planet itself.

With an arsenic concentration of 83 percent the material exhibits an extremely small band gap of only 0.15 electron volts, making it predestined for sensors which can detect long wavelength infrared radiation.

Beta Pictoris entered the limelight over 20 years ago when NASA's Infrared Astronomical Satellite detected excess infrared radiation from tInfrared Astronomical Satellite detected excess infrared radiation from tinfrared radiation from the star.

A thick layer of interstellar dust obscures much of the Galaxy from scrutiny by optical telescopes, and astronomers can determine its large - scale structure only with the aid of radio and infrared telescopes, which can detect the forms of radiation that penetrate the obscuring matter.

While optical instruments can detect the dust when it obscures more distant objects or when it is illuminated by very nearby stars, infrared telescopes are able to register the long - wavelength radiation that the cool dust clouds themselves emit.

But after traveling 13 billion light - years, the radiation has been stretched to the infrared part of the spectrum, so only the most sensitive infrared survey telescopes can detect it.

After a series of brief studies by infrared instruments carried on sounding rockets had detected about 4,000 celestial sources of infrared radiation, the United States, the United Kingdom, and the Netherlands built IRAS to map the sky at infrared wavelengths of 12, 25, 60, and 100 micrometres.

Thermal imaging allows heat levels to be detected by measuring infrared radiation, producing images of that radiation called thermograms.

The technology works on the premise that the horse's body surface emits infrared radiation that can be detected by an infrared camera.

For instant, Infrared astronomy, which based on detecting minute IR from the cosmos, can never exist in the presence of 333 w / m2 of back radiations that you are talking about.

The effect under investigation must play a very important role in atmospheric phenomena: it is one of the sources of Earth's cooling; formation of hailstorm clouds in the atmosphere is accompanied by intensive characteristic infrared radiation that could be detected for process characterization and meteorological warnings.

1950s: Research on military applications of radar and infrared radiation promotes advances in radiative transfer theory and measurements = > Radiation math — Studies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenhouse.