News tagged with infrared wavelengths

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Unraveling the stellar content of young clusters

About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and grow. Astronomers trying to understand ...

dateAug 14, 2018 in Astronomy
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Colorful celestial landscape

New observations with ESO's Very Large Telescope show the star cluster RCW 38 in all its glory. This image was taken during testing of the HAWK-I camera with the GRAAL adaptive optics system. It shows RCW 38 and its surrounding ...

dateJul 11, 2018 in Astronomy
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Image: Saturn's north pole

Reflected sunlight is the source of the illumination for visible wavelength images such as the one above. However, at longer infrared wavelengths, direct thermal emission from objects dominates over reflected sunlight. This ...

dateOct 31, 2017 in Space Exploration
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Image: Reflection nebula NGC 1999

This spooky sight, imaged by the NASA/ESA Hubble Space Telescope, resembles fog lit by a streetlamp swirling around a curiously shaped hole – and there is some truth in that. While the 'fog' is dust and gas lit up by the ...

dateOct 30, 2017 in Astronomy
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NASA's Webb Telescope to witness galactic infancy

Scientists will use NASA's James Webb Space Telescope to study sections of the sky previously observed by NASA's Great Observatories, including the Hubble Space Telescope and the Spitzer Space Telescope, to understand the ...

dateOct 04, 2017 in Astronomy
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Nanostructures taste the rainbow

Engineers at Caltech have for the first time developed a light detector that combines two disparate technologies—nanophotonics, which manipulates light at the nanoscale, and thermoelectrics, which translates temperature ...

dateJun 28, 2017 in Nanophysics
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