Examlex
William and Caroline Herschel's map included four of the following hypotheses in their model of the galaxy. Which one was the exception?
Q6: The high luminosity of a Seyfert galaxy_.<br>A)
Q12: A white dwarf stops collapsing and forms
Q19: Before a giant molecular cloud can contract
Q30: The production of exotic _ particle pairs
Q31: The oldest pulsars are billions of years
Q39: The collision of plates can produce _.<br>A)
Q46: The fact that the properties of the
Q48: Explain the process that creates a nova.
Q54: The region controlled by Earth's magnetic field
Q60: Extremely old pulsars that have experienced large