Archives for Cosmology - Page 3
The size of a pulsar
It is not possible for the size of a radiation emitter to be greater than the wavelength of the pulse emitted. Pulse Widths are found to be 10 to 20…
A photon inside the core of the Sun
A photon generated inside the Sun's core, can take over 10 million years to reach the surface. This is because the majority of the core consists of protons and electrons…