What is the approximate distance from the far edge of one lobe to the far edge of the other?
What will be an ideal response?
Approximately 2,500,000 light-years
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How is the geometrical structure of the universe today related to the presence of matter in the universe? How is this related to the future history of the universe?
What will be an ideal response?
Whenever the alternating current frequency in a series RLC circuit is halved,
a. the inductive reactance is doubled and the capacitive reactance is halved. b. the inductive reactance is doubled and the capacitive reactance is doubled. c. the inductive reactance is halved and the capacitive reactance is halved. d. the inductive reactance is halved and the capacitive reactance is doubled. e. the reactance of the circuit remains the same.
________ occurs when most of the material collapsing to form a protostar has fallen into a disk around the star and a strong wind from the warm protostar ejects material from its poles
a. An emission nebula b. Hydrostatic equilibrium c. The proton-proton chain d. The thermonuclear fusion of hydrogen e. A bipolar outflow
Any object moving towards or away from the Earth will show a Doppler shift when observed from Earth
Indicate whether the statement is true or false