The pulses from a pulsar are most likely coming from localized areas near the magnetic poles

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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A__________is an otherwise normal spiral galaxy with an unusually bright, small core that fluctuates in brightness

A) pulsar B) blazar C) Seyfert galaxy D) Markarian galaxy

Physics & Space Science

You find yourself in a place that looks (except for your own presence) perfectly symmetrical. There is no way to distinguish one place from another, and all forces are one

With this perfect symmetry, there is no obvious way to define the flow of time. Where are you? A) You are in the center of a young star. B) You are in the early universe before the Planck time. C) You are floating somewhere in the universe near its end, 10100 years from now. D) You are inside the nucleus of an atom. E) You are in the universe shortly after inflation.

Physics & Space Science

Captain Ray, on the Galactic Explorer, sets off bright signal lights at the two ends of his spaceship so that they are seen as flashing simultaneously by General Kay, who is watch the ship go by. General Kay concludes that she was next to the midpoint of the ship at the instant when the lights flashed in her reference frame. This can only happen if Captain Ray, at the center of the Galactic

Explorer, a. sees the lights flash simultaneously in his coordinate system. b. sees the bow (front) light flash before the aft (rear) light. c. sees the aft (rear) light flash before the bow(front light. d. can calculate that the light flashes reach General Kay so that the flash from the bow light reaches her before the flash from the aft light. e. can calculate that the light flashes reach General Kay so that the flash from the aft light reaches her before the flash from the bow light.

Physics & Space Science

The magnetic field due to the current in a long, straight wire is 8.0 ?T at a distance of 4.0 cm from the center of the wire. What is the current in the wire? (?0 = 4? × 10-7 T ? m/

A) A) 0.20 A B) 0.40 A C) 0.80 A D) 3.2 A E) 1.6 A

Physics & Space Science