The Sun is located at the edge of the galaxy, approximately 50,000 light-years from the galactic center
Indicate whether the statement is true or false
FALSE
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The Schwarzschild radius of a 1-Mo black hole is approximately
a. 3 km. b. 1,500,000 km, the size of the Sun. c. 150,000,000 km or 1 AU. d. 3 × 10^13 km or 1 pc.
Is Hubble's tuning fork diagram a real evolutionary tool? Why?
What will be an ideal response?
The Kuiper Belt objects have orbits that
A) carry them thousands of AU beyond the Sun. B) stay out just beyond Neptune and close to the ecliptic. C) stay sixty degrees ahead of or behind Jupiter. D) cross the orbit of Mars at perihelion. E) cross the orbit of Earth at perihelion.
A resistor and an inductor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the resistor is
A) greater than the battery's terminal voltage. B) equal to the battery's terminal voltage. C) less than the battery's terminal voltage, but not zero. D) zero. E) equal to the voltage across the inductor.