What is the name for the gaseous region of a star which emits light and which extends into a star's surface until the gas becomes opaque?
The ans is - Photosphere
What is another name for the second magnitude star "Alpha" in the Little Bear Constellation which is the nearest conspicuous star to the north celestial pole?
What is a highly magnetized, rotating, neutron star emitting a beam of electromagnetic radiation that can only be observed when the beam of emission is pointing towards the Earth (known as the lighthouse effect)?