Examlex
A white dwarf that exceeds the Chandresekhar limit ____.
Q1: The Balmer series of hydrogen absorption lines
Q8: _ are crucial in determining the distance
Q21: The four fundamental forces in the Universe
Q31: The _ is a high temperature, low
Q44: The Doppler effect is useful in measuring
Q51: Harlow Shapley made the first accurate determination
Q55: Historical records show that there were very
Q59: As a radioactive substance gradually decays, the
Q63: O stars must be formed in spiral
Q64: A medium-mass star evolves into a red