The James Webb Space Telescope has spotted a 'rogue' cosmic object barrelling through our galaxy without a star, and covered in clouds of iron and magnesium minerals.

those wavelengths can really stretch out to end up in the infrared region of the electromagnetic spectrum. All in all, this means light coming from faraway objects is invisible to human eyes and ...

Abstract: Pulsed electromagnetic (EM) field signal transfer from a general EM source distribution to a transmission line (TL) is analyzed with the aid of Lorentz’s reciprocity theorem. In this fashion ...