Select the following steps of a supernova explosion in order*5 points1st 2nd 3rd 4th 5thA black hole or neutron star/pulsar is left behind The core collapses The star is nearly obliterated Gravity is greater than the pressure exerted The fusion of iron consumes rather than produces energy A black hole or neutron star/pulsar is left behind The core collapses The star is nearly obliterated Gravity is greater than the pressure exerted The fusion of iron consumes rather than produces energy

What event is believed to create elements heavier than iron?a supernova explosionthe formation of a neutron star    the accretion of matter into a black holea nova outburst

A nova or supernova Type 1A explosion can form from the last "bang" of a*1 pointred giantwhite dwarfblack dwarfneutron starred supegiant

match the following stages of the cycle of a high mass star*7 pointsA B C D E F Gblack hole supernova pulsar the place where globules form protostar main sequence star supergiant black hole supernova pulsar the place where globules form protostar main sequence star supergiant

Every element with more protons than ______ is formed from a supernova explosion*1 pointHydrogenHeliumCarbonIron

On the main sequence, stars obtain their energyGroup of answer choicesfrom nuclear fissionfrom gravitational contractionfrom chemical reactionsby converting helium to carbon, nitrogen and oxygenby converting hydrogen to helium