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Q37: Mass is transferred from a normal star
Q49: The daytime surface temperature of Mercury is
Q51: As the Universe cooled, it eventually reached
Q60: The oldest parts of Earth's crust are
Q60: If the density of the universe is
Q64: We know that the central object in
Q98: The triple-alpha process<br>A) controls the pulsations in
Q110: Before it ejects a planetary nebula, a
Q141: _ galaxies have a definite disk component,
Q144: Measuring the Doppler shift of material at