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Q3: Two stars,which differ in magnitude by 5,have
Q3: English philosopher and physician _ defended the
Q3: What object is located at one focus
Q6: Following the devastating fire that destroyed three
Q13: What process is responsible for the formation
Q15: A strong argument in favor of the
Q15: _ compared the elemental forces of nature
Q19: What part of the Sun do astronomers
Q31: The Magellanic clouds are<br>A)Ellipticals<br>B)Spirals<br>C)Barred spirals<br>D)Irregulars
Q41: How have the ages of lunar rocks