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