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