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The age of the solar system is believed to be approximately 4.6 billion years old based on the data from
Q7: Molecular nitrogen (N<sub>2</sub>)is the most harmful greenhouse
Q10: _ are believed to have formed on
Q21: Star clusters are important to the study
Q29: Most stars generate their energy by the
Q32: The universe is said to be closed
Q33: What is the main problem with survey
Q45: The age of a star cluster can
Q45: Energy flows by radiation or convection inside
Q51: Besides Earth,which of the terrestrial planets and/or
Q55: White dwarf stars are formed from<br>A) the