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Microphotonic frequency combs are chip-based light sources, until now confined to optics laboratories. Improved stabilities usher these devices out of the lab and into high-resolution astronomic spectrometer systems.
Astronomers around the world are keen and confident public communicators, with academic leaders in senior positions being the most active. They enjoy engaging with the public, with no rewards expected.
The degree of polarization of gamma-ray bursts seems to be lower than previously thought. Gamma-ray polarimetry can reveal the emission mechanism and physical information inside the relativistic jet.
