Which of the following statements accurately describes how the universe began according to the Big Bang Theory? The universe formed from a loud and bright explosion false The universe formed from the slow and steady expansion of singularity false The universe formed from the rapid expansion of singularity true The universe formed as galaxies receded away from each other false Single The first 10-43 seconds of the universe's history is called? Planck Era true Gamow Era false Hubble Era false Hoyle Era false Single Which of the following particles is a lepton? photon false neutron false electron true proton false Single What is the product of the collision of matter and antimatter particles? photon true positron false proton false electron false Single Which of the following elements already existed 380,000 years after the Big Bang? Helium true Carbon false Silicon false Uranium false Single What happens when a protostar fails to reach the critical mass and internal temperature needed to initiate nuclear fusion? It explodes into a supernova false It becomes a brown dwarf true It becomes a white dwarf false It becomes a black dwarf false Single In what country was the astronomer Henry Norris Russell born? Denmark false Russia false Ireland false United States true Single What group of stars does Proxima Centauri belong to? White dwarfs false Red giants false Supergiants false Main Sequence true Single Which of the following stars is a blue giant main sequence star? Polaris false Sirius false Alpha Centauri false Beta Centauri true Single In what constellation is the famous "Pillars of Creation" of the Eagle Nebula located? Sagittarius false Serpens true Orion false Cassiopeia false Single