Process of Science: How were neutron stars discovered?
What will be an ideal response?
They were detected as pulsars due to their beams of radiation.
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Describe the temperature change in the transition zone
What will be an ideal response?
The neutrino is
a. a little neutron. b. another name for a positron. c. the particle detected in carbon dating. d. a particle proposed to account for "missing" energy and momentum in beta decay.
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Reference: Ref 5-1
The latent heat of fusion is the amount of energy per kilogram necessary to go from point ______________ to point ______________.
What causes the sun to "bob" up-and-down in its orbit around the galactic center?
A) gravitational attraction towards other nearby galaxies B) the localized pull of stars within the disk itself C) lack of friction with the low-density interstellar medium D) A and B E) B and C