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Q3: Do icy cometary nuclei melt and move
Q14: Spiral structure:<br>A)rotates at the same speed as
Q16: Suppose you detect a pulsar that gives
Q42: Stars forming in molecular clouds tend to
Q44: Stars with masses similar to the Sun
Q45: When,during its 11-year cycle,is the Sun most
Q59: Observations of Type I supernovae in distant
Q78: The Sun has a mass of:<br>A)2 ×
Q84: The density of particles in a planet's
Q84: Outside the dark matter halo of a