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Our sun—three different wavelengths

From March 20-23, 2018, NASA's Solar Dynamics Observatory captured three sequences of our sun in three different extreme ultraviolet wavelengths. The resulting images illustrate how different features that appear in one sequence ...

dateApr 11, 2018 in Space Exploration
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Multifunctional metalens unlocks with light

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a flat optical component that is simultaneously a metalens, a microscope objective that can resolve details smaller ...

dateMar 13, 2018 in Optics & Photonics
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ALMA reveals inner web of stellar nursery

This spectacular and unusual image shows part of the famous Orion Nebula, a star formation region lying about 1350 light-years from Earth. It combines a mosaic of millimetre-wavelength images from the Atacama Large Millimeter/submillimeter ...

dateMar 07, 2018 in Astronomy
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Image: Star formation in the Chamaeleon

A dark cloud when observed with optical telescopes, the Chamaeleon I region reveals itself as an active hub of star formation in this far-infrared image from ESA's Herschel space observatory. Only around 550 light-years away ...

dateNov 27, 2017 in Astronomy
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