Solar flares are
bursts of electromagnetic energy and particles that sometimes stream from the sun.
Some scientists believe that an electrical apocalypse could really occur, in the event of an electromagnetic pulse attack, described in one 2008 white paper as «a high - intensity
burst of electromagnetic energy caused by the rapid acceleration of charged particles.»
Not exact matches
IRAS also discovered many previously unknown galaxies that emit most
of their
energy in the infrared portion
of the
electromagnetic spectrum (these are known as ultraluminous infrared galaxies), apparently owing to a massive
burst of star formation during the merger
of two galaxies.