FCTC Marking Scheme 2024 100% Correct

FCTC Marking Scheme 2024 100% Correct Intersteller matter - Answer- raw material for the formation of stars accelerating expansion - Answer- 1998 unexpected theory Positron - Answer- anti-electron Radio Telescope - Answer- used to discover the background radiation Carbon fusion - Answer- nuclear reaction that distinguishes high from low mass stars accertion - Answer- rocky-metallic grains sticking together supernova - Answer- produces elements more massive than iron birth of a star - Answer- hydrogen fusion begins in core of star stellar iron core - Answer- cause of a supernova expansion of space - Answer- reduces thetemperature of the universe exponential decay - Answer- used to determine the age of the earth neutrino - Answer- small-mass neutral particle helium-4 - Answer- nucleus produced in hydrogen fusion steady state theory - Answer- assumes universe is infinitely old radioactivity - Answer- source of energy to melt earth's interior formation of atoms - Answer- event that released the cosmic background radiation cosmic background radiation - Answer- temperature of 3K Outgassing - Answer- responsible for most of earth's atmosphere plate tectonics - Answer- responsible for earthquakes white dwarf - Answer- eventual fate of our sun when fuel is complete depleted atmospheric oxygen - Answer- produced by photosynthesis nucleosynthesis - Answer- term for the creations of chemical elements chemical differentiation - Answer- caused by the melting of the earth's interior nubular hypothesis - Answer- believed responisblee for the formation of the solar system red giant - Answer- what the sun will become after core hydrogen is depleted Hoyle - Answer- coined term big bang on BBC radio Wegner - Answer- proposed the theory of continental drift penzias - Answer- discovered the cosmic background radiation gamow - Answer- was the first to preict the cosmic background radiaton Dicke - Answer- was the second to predict the cosmic background radiation Penzias - Answer- won nobel prize in physics