New insight into Earth’s magnetic field

New insight into Earth’s magnetic field

NASA's new observations of the Earth's magnetic field indicate that its foreshock region is capable of accelerating electrons to almost the speed of light. Earth's magnetic field deflects the incoming charged particles from the Sun. In regions outside…

Solar radio bursts

Solar radio bursts

This week's sharp increase in solar activity has turned the Sun into a radio transmitter. Bursts of shortwave static are coming from the unstable magnetic canopy of sunspot 1283. Yesterday in New Mexico, amateur radio astronomer Thomas Ashcraft recorded some…