Why was it surprising to find three planets orbiting a pulsar?

What will be an ideal response?


The supernova explosion should have destroyed any terrestrial planets that close to the original star.

Physics & Space Science

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A transformer transforms voltage while

A) producing energy. B) producing power. C) transferring energy from one coil to another. D) transferring current from one coil to another.

Physics & Space Science

The current through two identical light bulbs connected in series is 0.25 A. The voltage across both bulbs is 110 V. The resistance of a single light bulb is

A) 22 ohms. B) 44 ohms. C) 220 ohms. D) 440 ohms. E) none of the above

Physics & Space Science

The ionosphere reflects high frequency radio waves

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

A 2.0-kg projectile moves from its initial position to a point that is displaced 20 m horizontally and 15 m above its initial position. How much work is done by the gravitational force on the projectile?

a. +0.29 kJ b. -0.29 kJ c. +30 J d. -30 J e. -50 J

Physics & Space Science