Michigan Meteor

21 August 2018
Astronomy

Sent in by Jovan. At https://phys.org/print453997528.html … which concerns the meteor seen over Detroit back in January of this year. Its explosion and disintegration was captured by infrasonic microphones and seismometers. In the journal, Seismological Research Letters a team from Scripps were able to pinpoint the time, location and the height of the bolide when it disintegrated. About 2000 meteors of this size or larger pass through Earth's atmosphere each year. The Michigan meteor produced shock waves – including waves in low frequency or infrasound range below 20  hertz.

At https://phys.org/print453966512.html … astronomers detect synchronous x-ray and radio mode switching of pulasar B0823 + 26 (between radio bright and radion quiet modes).

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