Short Answer
The mass of our galaxy calculated from its rotational speed is much larger than the mass of all the known matter within. Astronomers have proposed that ____________________ may provide the additional mass to explain this difference.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q20: The expansion of the Universe provides a
Q21: A pulsar is a _ that emits
Q22: Explain what will happen to the Sun
Q23: Five billion years from now, the hydrogen
Q24: _ are short-lived releases of high-energy radiation
Q26: Describe the Hertzsprung-Russell diagram.
Q27: Main sequence stars fall along a sinuous
Q28: The way a star will end its
Q29: Describe the photosphere.
Q30: Before the Universe cooled enough for atoms