News tagged with ultraviolet light

Intoxicatingly light-sensitive

ETH chemists have synthesised several variants of THC, the active ingredient in cannabis. Its structure can be altered with light, and the researchers have used this to create a new tool that can be used to more effectively ...

dateJan 11, 2018 in Biochemistry
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the geometry of nuclear black hole accretion disks

Supermassive black holes with millions or even billions of solar-masses of material are found at the nuclei of most galaxies, including our Milky Way. A torus of dust and gas orbits around the black hole (at least according ...

dateJan 03, 2018 in Astronomy
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Wind satellite vacuum packed

With liftoff on the horizon, ESA's Aeolus satellite is going through its last round of tests to make sure that this complex mission will work in orbit. Over the next month, it is sitting in a large chamber that has had all ...

dateNov 02, 2017 in Space Exploration
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Image: Solar surface from hot to hottest

This sequence of images shows the Sun from its surface to its upper atmosphere all taken at about the same time on Oct. 27, 2017. The first shows the surface of the Sun in filtered white light; the other seven images were ...

dateNov 02, 2017 in Space Exploration
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Image: NASA's SDO spots a lunar transit

On Oct. 19, 2017, the Moon photobombed NASA's Solar Dynamics Observatory, or SDO, when it crossed the spacecraft's view of the Sun, treating us to these shadowy images. The lunar transit lasted about 45 minutes, between 3:41 ...

dateOct 23, 2017 in Space Exploration
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