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Q5: Which star has the highest density (mass
Q5: Define nuclear fusion.
Q14: In the early universe, the electromagnetic and
Q16: The images produced by _ reveal streamers
Q33: Where are the Cepheid and RR Lyrae
Q50: The dense disks of gas and dust
Q51: What is the monolithic collapse hypothesis unable
Q64: Visible light with wavelengths at the long-wavelength
Q66: Which types of galaxies lack an ordered
Q73: Many medium-mass stars will expel its outer