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