资讯
11 个月
Live Science on MSNCan humans see ultraviolet light?indicating that aging reduces the ability to see UV wavelengths. Some people can see much more of the UV light spectrum, ...
Extreme-ultraviolet (EUV ... molybdenum are most effective for reflecting EUV light, reaching a theoretical reflectivity of 72% in a small wavelength band around 13.5 nm. A typical optical ...
6 天
AZoQuantum on MSNJames Webb discovers earliest sign of the Universe becoming transparentThe first galaxies in the Universe were born enshrouded in a “foggy” gas, and could not be seen clearly until they had cleared up this fog. Using the James Webb Space Telescope, a team of researchers ...
There are seven types of electromagnetic (EM) waves, which make up the electromagnetic spectrum. Electromagnetic waves are transverse waves, and travel at the speed of light. Different types of ...
There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.
GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.
Biofluorescence is widespread in birds-of-paradise, a group of tropical birds famous for their spectacular courtship dances.
The relatively short-wavelength UV light produced by young ... How dwarf galaxies lit up the Universe after the Big Bang The spectrum also indicates a larger-than-expected fraction of photons ...
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