A) Gravity B) Nuclear fusion C) electromagnetism D) Nuclear bonding E) all the answers
A) by running experiments on the Sun B) All of these answers C) by viewing black holes with powerful telescopes D) by observing objects and light around black holes
A) when asteroids hit stars B) when nuclear bombs explode C) when comes strike planets D) when giant stars explode
A) at the center of galaxies B) at the center of the solar system C) Inside gas giant planets D) In the center of a planet
A) False B) True
A) Event horizon B) pulsar C) singularity D) Supernova border
A) Pulsar B) singularity C) Iris D) Supernova
A) supernova B) pulsar C) iris D) singularity
A) False B) True
A) It's large size and small mass B) It spins at a rate faster than light C) it's small size and large mass D) Nuclear reactions at its core |