The core of a highly evolved high mass star is a little larger than:
A) our solar system.
B) our Sun.
C) Jupiter.
D) Earth.
E) a white dwarf.
D
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In Kepler's model of the Universe, what was the purpose of the five regular solids?
a. To differentiate the six planets b. To define the shape of each of the orbits c. To describe the internal shape of each planet d. To be spacers for the orbits of the six planets e. To support the calculations of each orbital period
Which is the correct description for the Sun's location in the Galaxy?
A) At the outer edge of the bulge, but along the Galactic equator B) About 30,000 ly out in the halo C) At the very outer edge of the disk, but in the Galactic plane D) In the disk near the Galactic center E) In the disk, and about half way out from the center
Which Mars mission searched for life in the Martian soil in the 1970's?
A) Pathfinder B) Phoenix C) Viking D) Mariner
Consider an AC series circuit containing a coil, capacitor, and resistor. Doubling the frequency will change the circuit's impedance by what factor?
a. 2.0 b. 1.0 c. 1/2 d. Information is insufficient to determine answer.