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________ galaxies are essentially featureless; their light reveals evidence for the presence ofonly old red Main Sequence and red giant stars.
Q17: In what sense are the quasars "quasi-stellar"?<br>A)Their
Q31: The _ is the observational evidence that
Q44: What is the cosmic microwave background, and
Q51: Iron is the most stably bonded atomic
Q59: In the Grand Unified Theory, the superforce
Q66: The latest evidence from 2MASS suggests our
Q80: In which of the following models will
Q95: Large molecules found in meteorites and interstellar
Q101: In the evolution of massive stars, what
Q113: As a protostar evolves from stage 4