A) all the answers B) Gravity C) Nuclear bonding D) electromagnetism E) Nuclear fusion
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 comes strike planets B) when asteroids hit stars C) when giant stars explode D) when nuclear bombs explode
A) Inside gas giant planets B) at the center of galaxies C) In the center of a planet D) at the center of the solar system
A) True B) False
A) Supernova border B) Event horizon C) pulsar D) singularity
A) Supernova B) Pulsar C) Iris D) singularity
A) pulsar B) singularity C) iris D) supernova
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 |